First 2008 presidential debate: Oxford, Mississippi

A supporter of Sen. Barack Obama holds up a sign as people gather in the Grove at the University of Mississippi before the debate.  (Scott Olson / Getty Images)

Trent Lott, left, a Republican and former Mississippi senator, greets Sen. John Kerry (D-Mass.) before the debate.  (LM Otero / Associated Press)

Democratic National Committe Chairman Howard Dean, center, jokes with former Republican Sen. Trent Lott of Mississippi before the presidential debate between John McCain and Barack Obama.  (Emmanuel Dunand AFP/Getty Images)

A member of the audience holds a program at the first of three planned presidential debates between Democrat Barack Obama and Republican John McCain.  (Paul J. Richards AFP/Getty Images)

Michelle Obama, wife of Democratic presidential candidate Sen. Barack Obama, attends Friday’s presidential debate at the University of Mississippi.  (David McNew / Getty Images)

Cindy McCain, wife of Republican presidential candidate Sen. John McCain, attends Friday’s presidential debate at the University of Mississippi.  (Charles Dharapak / Associated Press)

Debate moderator Jim Lehrer speaks before Friday’s presidential debate, the first of three scheduled before the 2008 election.  (David McNew / Getty Images)

Republican presidential candidate John McCain, left, and Democratic presidential candidate Barack Obama shake hands at the beginning of Friday’s debate at the University of Mississippi.  (Win McNamee / Getty Images)

The two major presidential candidates -- Repubican John McCain, left, and Democrat Barack Obama -- face moderator Jim Lehrer as the debate begins.  (Paul J. Richards AFP/Getty Images)

Sen. John McCain makes a point as Sen. Barack Obama listens.  (Charles Dharapak / Associated Press)

Democratic presidential candidate Sen. Barack Obama, left, and Republican presidential candidate Sen. John McCain debate before a live audience and television cameras.  (Chip Somodevilla / Associated Press)

Democratic presidential candidate Sen. Barack Obama makes a point during the presidential debate at the University of Mississippi.  (Charles Dharapak / Associated Press)

Republican presidential candidate Sen. John McCain speaks during Friday’s presidential debate at the University of Mississippi.  (LM Otero / Associated Press)

John McCain and Barack Obama listen to moderator Jim Lehrer.  (Scott Olson / Getty Images)

Howard Dean and other audience members listen to the debate.  (Chip Somodevilla / Associated Press)

Barack Obama makes a point.  (Chip Somodevilla / Getty Images)

Moderator Jim Lehrer speaks to the candidates.  (Chip Somodevilla / Getty Images)

John McCain makes a point.  (Scott Olson / Getty Images)

McCain and Obama square off during the debate.  (Charles Dharapak / Associated Press)

Lehrer shakes hands with McCain and Obama after the debate.  (LM Otero / Associated Press)

As his wife, Michelle, stands by, Barack Obama shakes hands with John McCain’s wife, Cindy.  (Ron Edmonds / Associated Press)