John McCain and Barack Obama greet each other at the start of the debate. (Charles Dharapak / Associated Press)
Arizona Sen. John McCain, left, the Republican presidential nominee, responds to a question. (Charles Dharapak / Associated Press)
Barack Obama answers a question from moderator Bob Schieffer. (Win McNamee / Getty Images)
Democratic presidential nominee Barack Obama and his GOP rival, John McCain. (Win McNamee / Getty Images)
Sen. Barack Obama smiles during the third and final presidential debate. (Win McNamee / Getty Images)
Sen. John McCain gestures during the third presidential debate. (Spencer Platt / Getty Images)
A man protests the war in Iraq as police stand guard during a demonstration outside the debate venue. (Don Emmert AFP/Getty Images)
Protesters and police clash outside Hofstra University, the site of the third and final presidential debate. (Don Emmert AFP/Getty Images)
This is the final debate before voters go to the polls in the 2008 general election. (Win McNamee / Getty Images)
John McCain and Barack Obama stand with their wives after the debate. (Win McNamee / Getty Images)
