Getty Images 5 months ago

NEW YORK, NY - SEPTEMBER 08: TIME managing editor Richard Stengel and former New York City Mayor Rudy Giuliani speak during Time Warner's 'Beyond 9/11' Photo Exhibit and Screening at Milk Studios on September 8, 2011 in New York City.

Getty Images 5 months ago

NEW YORK, NY - SEPTEMBER 08: Former New York City Mayor Rudy Giuliani attends Time Warner's 'Beyond 9/11' Photo Exhibit and Screening at Milk Studios on September 8, 2011 in New York City.

Getty Images 5 months ago

Former New York City Mayor Rudy Giuliani speaks about the upcoming 10th anniversary of the September 11, 2001 attacks at the National Press Club in Washington on September 6, 2011.

Getty Images 5 months ago

WASHINGTON, DC - SEPTEMBER 06: Former New York City Mayor Rudy Giuliani speaks at the National Press Club September 6, 2011 in Washington, DC. Giuliani spoke on the state of U.S. security in the 10 years since the September 11 terrorist attacks.

AP Photo 5 months ago

FILE - In this Sept. 6, 2011 file photo, former New York Mayor Rudy Giuliani speaks at the National Press Club in Washington. Giuliani says he won't be a candidate for president next year.

Reuters Pictures 5 months ago

A combination photo shows current New York Mayor Michael Bloomberg in New York (L) and former mayor Rudy Giuliani in Cedar Falls, Iowa, in those, respectively, September 22, 2010 and November 8, 2007 file photos. Had it not been for the Sept. 11 attacks, neither Giuliani nor Bloomberg...

Reuters Pictures 5 months ago

New York City Mayor Michael Bloomberg holds the hand of former mayor Rudy Giuliani during a campaign event in New York City, in this October 28, 2005 file photo. Had it not been for the Sept. 11 attacks, neither Giuliani nor Bloomberg would have such high profiles on the American...

Getty Images 5 months ago

The cellphone used by former New York City Mayor Rudy Giuliani during the terrorist attacks on the World Trade Center on September 11, 2001, is seen alongside other artifacts as part of a temporary exhibit at the Smithsonian National Museum of American History in Washington, DC,...

AP Photo 6 months ago

In this Wednesday, Aug. 24, 2011 photo, former New York Mayor Rudy Giuliani pauses during an interview in New York. He was the living symbol of the Sept. 11, 2001, terror attacks, a hero to a traumatized nation seeking leadership in a time of crisis. Walking miles through the streets of...

Getty Images 6 months ago

BOSTON, MA - AUGUST 06: Former New York City Mayor Rudy Giuliani and his wife Judith attend the Boston Red Sox v New York Yankees game on August 6, 2011 at Fenway Park in Boston, Massachusetts.

Getty Images 6 months ago

BOSTON, MA - AUGUST 06: Former New York City Mayor Rudy Giuliani signs an autograph before the game between the New York Yankees and the Boston Red Sox on August 6, 2011 at Fenway Park in Boston, Massachusetts.

Reuters Pictures 7 months ago

Former New York City Mayor and possible U.S. Republican presidential candidate Rudy Giuliani looks at the motorcycles on display at the Harley Davidson store in Manchester, New Hampshire July 14, 2011.

AP Photo 7 months ago

Former New York City Mayor Rudy Giuliani laughs as he gives a customer a pat on the back at the Manchester Harley Davidson store in Manchester, N.H. , Thursday, July 14, 2011.

AP Photo 7 months ago

Former New York City Mayor Rudy Giuliani puts his arm on the shoulder while talking with a customer at the Manchester Harley Davidson store in Manchester, N.H. , Thursday, July 14, 2011.

AP Photo 7 months ago

Former New York City Mayor Rudy Giuliani looks over motorcycles while touring the Manchester Harley Davidson store in Manchester, N.H. , Thursday, July 14, 2011.

AP Photo 7 months ago

Former New York City Mayor Rudy Giuliani smiles during a visit to the Manchester Harley Davidson store in Manchester, N.H. , Thursday, July 14, 2011.

AP Photo 7 months ago

Former New York Mayor City Rudy Giuliani pauses while speaking at a house party in New Castle, N.H. , Thursday, July 14, 2011.

AP Photo 7 months ago

Former New York City Mayor Rudy Giuliani reaches to shakes hands at a house party in New Castle, N.H. , Thursday, July 14, 2011.

Reuters Pictures 8 months ago

Maryam Rajavi, president-elect of the People's Mujahideen Organisation of Iran's (PMOI) political wing, the National Council of Resistance of Iran (NCRI) and former mayor of New York Rudy Giuliani take part in a rally in Villepinte, near Paris June 18, 2011.

Reuters Pictures 8 months ago

Former mayor of New York, Rudy Giuliani, attends a rally of the National Council of Resistance of Iran (NCRI) in Villepinte, near Paris June 18, 2011.

AP Photo 8 months ago

Former New Yory City mayor, Rudy Giuliani talks about how first responders saved thousands of lives at the World Trade Center on September 11, 2001 during the N.J. Hall of Fame during the induction ceremony at New Jersey Performing Arts Center in Newark, N.J. , Sunday, June 5, 2011.

AP Photo 8 months ago

FILE - In this June 2, 2011 file photo, former New York City mayor Rudy Giuliani speaks in North Conway, N.H. Giuliani is quietly working to hire political operatives in New Hampshire for a possible presidential bid.

AP Photo 8 months ago

FILE -- In a June 2, 2011 file photo former New York mayor Rudy Giuliani attends a Republican luncheon in North Conway, N.H. Giuliani isn't convinced that any of the declared Republican presidential contenders can defeat President Barack Obama.

Reuters Pictures 9 months ago

Republican presidential candidate and former New York Mayor Rudy Giuliani talks to his supporters after conceding the Florida primary in Orlando, Florida, in this file picture taken January 29, 2008. Peru's presidential front-runner Keiko Fujimori has hired former New York City Mayor...

Reuters Pictures 9 months ago

Peru's Presidential frontrunner Keiko Fujimori (L) listens to former New York Mayor Rudy Giuliani during a meeting in Lima, May 16, 2011. Fujimori said on Monday she has hired former New York City Mayor Rudy Giuliani as an advisor, trying to bolster her law-and-order credentials while...