Sen. John McCain, R-Ariz. , right, walks away after speaking at a news conference about Pharmaceutical Market Access and Drug Safety Act, Wednesday, March 4, 2009, on Capitol Hill in Washington. Sen. Byron Dorgan, D-N.D. ,is at left. AP Photo logo AP Photo 8 months ago

Sen. John McCain, R-Ariz. , right, walks away after speaking at a news conference about Pharmaceutical Market Access and Drug Safety Act, Wednesday, March 4, 2009, on Capitol Hill in Washington. Sen. Byron Dorgan, D-N.D. ,is at left.