Wolf Blitzer explains the format for Tuesday’s presidential debate.

CNN’s Wolf Blitzer explains the town hall format for the second presidential debate as prepared by the Presidential Debate Commission. CNN’s Chief Political Correspondent Candy Crowley will moderate the debate between President Barack Obama and Mitt Romney live from Hofstra University in Hempstead, New York.

CNN’s coverage of the debate begins at 7:00pm EST on Tuesday, October 16. For more information about CNN’s complete coverage visit http://CNN.com/debate.