The first presidential debate between Republican incumbent President George W. Bush and Democratic challenger Senator John Kerry.

The second presidential debate.

The third presidential debate.

The Vice Presidential debate between Republican incumbent Vice President Dick Cheney and Democratic challenger Senator John Edwards.

Social Security reform was the centerpiece of President George W. Bush's first State of the Union Address since his re-election.

This is the 217th State of the Union Address and President George W. Bush's second address since his re-election.

On Jan. 23, 2007, Sen. Jim Webb (D-Va.) delivers the Democrats' response to Pres. Bush's 2007 State of the Union address.

Pres. George W. Bush delivers his State of the Union address on Jan. 23, 2007.

The National Commission on Terrorist Attacks Upon the United States, also known as the 9-11 Commission, released their nearly 600-page final report to the public on July 22, 2004.

Secretary of State Colin L. Powell's testimony before the 9-11 Commission, presented March 23, 2004.

National Security Adviser Condoleezza Rice's testimony before the 9-11 Commission, presented April 8, 2004.

Secretary of Defense Donald Rumsfeld's testimony before the 9-11 Commission, presented March 23, 2004.

Director of Central Intelligence George J. Tenet's testimony before the 9-11 Commission, presented March 24, 2004.

Former Secretary of State Madeleine K. Albright's testimony before the 9-11 Commission, presented March 23, 2004.

Former National Coordinator for Counterterrorism Richard A. Clarke's testimony before the 9-11 Commission, presented March 24, 2004.

Book TV's After Words features the author of a recently published hardback non-fiction book interviewed by a guest host with some knowledge, background, or connection to the subject matter of the book. After Words airs on Book TV every Sunday, at 6pm ET.

Former Vice President Al Gore delivers his final major policy speech of the campaign season.

Among the Dead Cities: The History and Moral Legacy of the WWII Bombing of Civilians in Germany and Japan.

Senator Barack Obama talks with Bob Herbert about his book, The Audacity of Hope: Thoughts on Reclaiming the American Dream.

Former President Bill Clinton and Microsoft Chairman Bill Gates talk about priorities in ending the AIDS epidemic.

Renewal and reform were the prevalent themes of Bill Clinton's first inaugural address in 1993.

In commemoration of the 40th anniversary of the Black Panther Party, some of the founders talk about its origins.

At the Southern Methodist University Tate Lecture Series in Dallas, Texas, former presidential candidates Bob Dole and Al Gore discuss politics and the 2004 Election.

Building Relations in the Middle East.

Every week, Q & A introduces you to remarkable people who are making things happen in politics, the media, education, and science and technology....