Mark Penn, then a pollster for former President Bill Clinton, is seen in this Feb. 3, 1998 file photo, in New York. Penn, the pollster and senior strategist for Hillary Rodham Clinton's presidential bid, left the campaign Sunday, April 6, 2008 after it was disclosed he met with representatives of the Colombian government to help promote a free trade agreement Clinton opposes. (AP Photo/The New York Times, Librado Romero, File)

Mark Penn, then a pollster for former President Bill Clinton, is seen in this Feb. 3, 1998 file photo, in New York. Penn, the pollster and senior strategist for Hillary Rodham Clinton's presidential bid, left the campaign Sunday, April 6, 2008 after it was disclosed he met with representatives of the Colombian government to help promote a free trade agreement Clinton opposes. (AP Photo/The New York Times, Librado Romero, File)