President Barack Obama presents the 2009 Presidential Medal of Freedom to Dr. Janet Davison Rowley, M.D. , who discovered the first consistent chromosome translocation in a human cancer, at the White House in Washington, Wednesday, Aug. 12, 2009. Rowley is the Blum Riese Distinguished Service Professor of Medicine, Molecular Genetics & Cell Biology and Human Genetics at the University of Chicago. AP Photo logo AP Photo 3 months ago

President Barack Obama presents the 2009 Presidential Medal of Freedom to Dr. Janet Davison Rowley, M.D. , who discovered the first consistent chromosome translocation in a human cancer, at the White House in Washington, Wednesday, Aug. 12, 2009. Rowley is the Blum Riese Distinguished Service Professor of Medicine, Molecular Genetics & Cell Biology and Human Genetics at the University of Chicago.

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  1. Indonesian activists wear masks featuring US President Barrack Obama (L), Indonesian President Susilo Bambang Yudhoyono (2nd L), President of the European Commission Jose Manuel Barroso(2nd R) and Australian Prime Minister Kevin Rudd during a protest against biodiversity offset programs, in Jakarta on November 18, 2009. Scores of environment activists held a protest against the program of biodiversity offset as they believed that biodiversity offsets are conservation activities intended to compensate for the residual, unavoidable harm to biodiversity caused by development projects, and is not the real solution and will ruin ecological dignity of developing countries.
  2. OREM, UT - NOVEMBER 16: In this photo illustration, a copy of Sarah Palin's book 'Going Rogue' sits on end on a display in the back room of a Costco November 16, 2009 in Orem, Utah. The Orem Costco received between 800-900 copies of the book which will go on sale tomorrow.
  3. OREM, UT - NOVEMBER 16: Gary Haynes (R) and Matt Cross (L) open boxes of Sarah Palin's book 'Going Rogue' as other books sit on a display in the back room of a Costco November 16, 2009 in Orem, Utah. The Orem Costco received between 800-900 copies of the book which will go on sale tomorrow.
  4. OREM, UT - NOVEMBER 16: Matt Cross (R) puts copies of Sarah Palin's book 'Going Rogue' on a display in the back room of a Costco November 16, 2009 in Orem, Utah. The Orem Costco received between 800-900 copies of the book which will go on sale tomorrow.
  5. OREM, UT - NOVEMBER 16: Gary Haynes (R) and Matt Cross (L) put copies of Sarah Palin's book 'Going Rogue' on a display in the back room of a Costco November 16, 2009 in Orem, Utah. The Orem Costco received between 800-900 copies of the book which will go on sale tomorrow.
  6. OREM, UT - NOVEMBER 16: Gary Haynes (R) and Matt Cross (L) put copies of Sarah Palin's book 'Going Rogue' on a display in the back room of a Costco November 16, 2009 in Orem, Utah. The Orem Costco received between 800-900 copies of the book which will go on sale tomorrow.
  7. U.S. Speaker of the House Nancy Pelosi (L) greets U.S. Senator John McCain (R-AZ)(2nd L), House Minority Leader John Boehner (R-OH)(2nd R) and Senate Minority Leader Mitch McConnell (R-KY) after a meeting between Congressional leadership and President Barack Obama on Afghanistan and Pakistan at the White House in Washington, October 6, 2009.
  8. L-R: House Minority Leader John Boehner, R-OH, House Majority Leader Steny Hoyer, D-MD, Senate Minority Leader Mitch McConnell, R-KY, and Senate Armed Services Committee Ranking Member John McCain walk on a path on the North Lawn of the White House following a meeting on Afghanistan and Pakistan with US President Barack Obama October 6, 2009 in Washington, DC.
  9. House Speaker Nancy Pelosi, D-CA, speaks to reporters as Senate Majority Leader Harry Reid, D-NV, looks on in front of the West Wing after a meeting on Afghanistan and Pakistan with US President Barack Obama October 6, 2009 at the White House in Washington, DC. Obama Tuesday sat down with senior lawmakers driving a raging debate on US Afghan strategy, as he works towards a decision on whether to send thousands more troops to war. Democratic and Republican leaders plus top members of key congressional committees met the president at the White House touting sharply conflicting visions of the next steps in the unpopular eight-year US military operation. Obama is methodically working through an internal policy review after US commander General Stanley McChrystal warned the war could be lost within a year without more troops, and reportedly asked for 40,000 more men.
  10. House Minority Leader John Boehner (C), R-OH, chats with Senate Armed Services Committee Ranking Member John McCain (L), R-AZ, and Senate Minority Leader Mitch McConnell, R-KY, near the West Wing after a meeting on Afghanistan and Pakistan with US President Barack Obama October 6, 2009 at the White House in Washington, DC. Obama Tuesday sat down with senior lawmakers driving a raging debate on US Afghan strategy, as he works towards a decision on whether to send thousands more troops to war. Democratic and Republican leaders plus top members of key congressional committees met the president at the White House touting sharply conflicting visions of the next steps in the unpopular eight-year US military operation. Obama is methodically working through an internal policy review after US commander General Stanley McChrystal warned the war could be lost within a year without more troops, and reportedly asked for 40,000 more men.
  11. WASHINGTON - OCTOBER 06: U.S Speaker of the House Nancy Pelosi (D-CA) (R) and Senate Majority Leader Harry Reid (D-NV) (L) walk away from reporters after talking outside the White House following a meeting with U.S. President Barack Obama along with other members of Congress October 6, 2009 in Washington, DC. Obama met with Congressional leadership and the chairs and ranking members of the relevant committees to discuss planning for Afghanistan and Pakistan.
  12. U.S. Speaker of the House Nancy Pelosi and Senate Majority Leader Harry Reid (D-NV) speak about their meeting between Congressional leadership and President Barack Obama on Afghanistan and Pakistan at the White House in Washington, October 6, 2009.
  13. Adam Green, Associate Professor of American History at the University of Chicago, speaks about "The Obama Era" at the Newseum in Washington, October 2, 2009. The speech was part of the First Draft of History event, held by the Atlantic Magazine and the Aspen Institute to bring together newsmakers, historians and journalists.
  14. University of Chicago Professor Paul Sereno (L) and McGill University Associate Professor Hans Larsson excavate the fossil skull of a 100-million-year-old croc in Niger in this undated National Geographic photograph released to Reuters on November 19, 2009. The animal, which they nicknamed BoarCroc, was one of several crocs that inhabited a lost world now buried in the sands of the Sahara.
  15. A flesh model of the head of BoarCroc (above) and its actual fossil skull discovered in the Sahara by a team led by paleontologist Paul Sereno, a professor at the University of Chicago, are seen in this combo photograph by National Geographic made available to Reuters on November 19, 2009. BoarCroc was a 20-foot-long meat eater with three sets of dagger-shaped fangs.
  16. Dr. Greg Zagaja, left, performs a robotic prostatectomy on a patient at University of Chicago Medical Center using a da Vinci Si robotics system, center, Tuesday, Oct. 13, 2009 in Chicago. A study, appearing in Wednesday's Journal of the American Medical Association suggests the less-invasive keyhole surgery for prostate cancer may mean a higher risk for lasting incontinence and impotence when compared with traditional surgery.

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  1. Chicago Blackhawks head coach Joel Quenneville watches from the bench as his team plays against the Anaheim Ducks during the second period of their NHL hockey game in Anaheim, California, November 27, 2009.
  2. ANAHEIM, CA - NOVEMBER 27: Jean-Sebastien Giguere #35 of the Anaheim Ducks makes a save on Dustin Byfuglien #33 of the Chicago Blackhawks as James Wisniewski #34 of the Ducks defends in the third period at the Honda Center on November 27, 2009 in Anaheim, California. The Ducks defeated the Blackhawks 3-0.
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  4. The front entrance to the gated community of the Isleworth Golf & Country Club, home of golfer Tiger Woods, is shown in Windemere, Florida November 27, 2009. Woods' Cadillac Escalade SUV hit a fire hydrant and then a tree early this morning as he pulled out of the driveway of his home at Isleworth. Woods was admitted, treated, and released at a local hospital in good condition, according to a statement by his office.
  5. The front entrance to the gated community of the Isleworth Golf & Country Club, home of golfer Tiger Woods, is shown in Windemere, Florida November 27, 2009. Woods' Cadillac Escalade SUV hit a fire hydrant and then a tree early this morning as he pulled out of the driveway of his home at Isleworth. Woods was admitted, treated, and released at a local hospital in good condition, according to a statement by his office.
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  7. AUBURN, AL - NOVEMBER 27: Julio Jones #8 of the Alabama Crimson Tide leaps in the air to break a tackle by the Auburn Tigers at Jordan-Hare Stadium on November 27, 2009 in Auburn, Alabama.
  8. AUBURN, AL - NOVEMBER 27: Antonio Coleman #52 of the Auburn Tigers sacks quarterback Greg McElroy #12 of the Alabama Crimson Tide at Jordan-Hare Stadium on November 27, 2009 in Auburn, Alabama.
  9. AUBURN, AL - NOVEMBER 27: Julio Jones #8 of the Alabama Crimson Tide draws a facemask penalty from Jonathan Evans #35 of the Auburn Tigers at Jordan-Hare Stadium on November 27, 2009 in Auburn, Alabama.
  10. AUBURN, AL - NOVEMBER 27: Julio Jones #8 of the Alabama Crimson Tide draws a facemask penalty from Jonathan Evans #35 of the Auburn Tigers at Jordan-Hare Stadium on November 27, 2009 in Auburn, Alabama.
  11. AUBURN, AL - NOVEMBER 27: Julio Jones #8 of the Alabama Crimson Tide draws a facemask penalty from Jonathan Evans #35 of the Auburn Tigers at Jordan-Hare Stadium on November 27, 2009 in Auburn, Alabama.
  12. Nikolay Davydenko of Russia reacts after defeating Sweden's Robin Soderling in their ATP World Tour Finals tennis match at the O2 Arena in London, Friday, Nov. 27, 2009.
  13. Nikolay Davydenko of Russia reacts after defeating Sweden's Robin Soderling in their ATP World Tour Finals tennis match at the O2 Arena in London, Friday, Nov. 27, 2009.
  14. Nikolay Davydenko of Russia reacts after defeating Sweden's Robin Soderling in their ATP World Tour Finals tennis match at the O2 Arena in London, Friday, Nov. 27, 2009.
  15. Nikolay Davydenko of Russia waits to serve to Sweden's Robin Soderling during their ATP World Tour Finals tennis match at the O2 Arena in London, Friday, Nov. 27, 2009.
  16. Sweden's Robin Soderling serves to Nikolay Davydenko of Russia during their ATP World Tour Finals tennis match at the O2 Arena in London, Friday, Nov. 27, 2009.