Fri Oct 24, 2:24 PM ET
Sen. Hillary Clinton, D-N.Y., campaigns for Democratic presidential candidate, Sen. Barack Obama, D-Ill., in Pittsburgh on Friday, Oct. 24, 2008.(AP Photo/Andrew Rush)
Fri Oct 24, 2:27 PM ET
Sen. Hillary Clinton, D-N.Y., campaigns for Democratic presidential candidate, Sen. Barack Obama, D-Ill., in Pittsburgh on Friday, Oct. 24, 2008.(AP Photo/Andrew Rush)
Fri Oct 24, 9:35 PM ET
Sen. Hillary Rodham Clinton, D-N.Y., chats with well-wishers as she campaigns for Democratic presidential candidate Sen. Barack Obama, D-Ill., in the east Denver suburb of Aurora, Colo., on Friday, Oct. 24, 2008.
(AP Photo/David Zalubowski)
Fri Oct 24, 9:37 PM ET
Sen. Hillary Rodham Clinton, D-N.Y., speaks as she campaigns for Democratic presidential candidate Sen. Barack Obama, D-Ill., in the east Denver suburb of Aurora, Colo., on Friday, Oct. 24, 2008. Colorado Gov. Bill Ritter, left, looks on.(AP Photo/David Zalubowski)
Fri Oct 24, 9:52 PM ET
Sen. Hillary Rodham Clinton, D-N.Y., applauds after speaking at an appearance to promote Democratic presidential candidate Sen. Barack Obama, D-Ill.,, in the east Denver suburb of Aurora, Colo., on Friday, Oct. 24, 2008.(AP Photo/David Zalubowski)
Fri Oct 24, 9:53 PM ET
U.S. Sen. Hillary Clinton, D-N.Y., prepares to speak during an appearance to support the Democratic presidential campaign of U.S. Sen. Barack Obama, D-Ill., in the east Denver suburb of Aurora, Colo., on Friday, Oct. 24, 2008.(AP Photo/David Zalubowski)
Fri Oct 24, 9:54 PM ET
A supporter holds a sign while Sen. Hillary Clinton, D-N.Y., speaks in support of the Democratic presidential campaign of U.S. Sen. Barack Obama, D-Ill., while Clinton speaks in the east Denver suburb of Aurora, Colo., on Friday, Oct. 24, 2008.(AP Photo/David Zalubowski)
Fri Oct 24, 10:07 PM ET
Sen. Hillary Rodham Clinton, D-N.Y., waves before she speaks during an appearance to promote the Democratic presidential campaign of Sen. Barack Obama, D-Ill., in the east Denver suburb of Aurora, Colo., on Friday, Oct. 24, 2008.(AP Photo/David Zalubowski)