ชมภาพการโต้วาทีระหว่าง ปธน. Barack Obama และ Mitt Romney

President Barack Obama speaks during the second presidential debate at Hofstra University, Hempstead, New York, October 16, 2012.

Mitt Romney and Barack Obama spar over energy policy during the second presidential debate at Hofstra University, October 16, 2012.

Mitt Romney and President Barack Obama wave to the crowd following the first presidential debate in Denver, Colorado, October 3, 2012

Mitt Romney smiles at his rival at the debate in Denver.

Barack Obama and Mitt Romney at the first presidential debate at the University of Denver, moderated by Jim Lehrer of PBS.

U.S. Vice President Joe Biden (L) debates Republican vice presidential nominee Paul Ryan (R) during the vice presidential debate October 11, 2012.

Customers at the Havana Social Club in Seattle gathered to watch the second presidential debate, October 16, 2012.

President Barack Obama smiles at moderator Jim Lehrer at the University of Denver, October 3, 2012.

Members of the audience were invited to ask questions at the second presidential debate in Hempstead, New York, October 16, 2012.