The candidates are gearing up for the first big debate.

Barack Obama and John McCain will square off on Friday, Sept. 26, at the University of Mississippi in Oxford. Jim Lehrer from PBS will moderate that debate.

The second debate will be held Tuesday, Oct. 7, at Belmont University in Nashville with NBC's Tom Brokaw moderating.

The final presidential debate before the election comes on Wednesday, Oct. 15, at Hofstra University in Hempstead, New York with CBS' Bob Schieffer moderating.