Philip Shenon

It's been 50 years since President John F. Kennedy was assassinated, and polls show that a majority of Americans still believe Kennedy was the victim of a conspiracy, not a lone assassin. Philip Shenon, author of A Cruel and Shocking Act, explores what keeps these conspiracy theories alive.

Wikileaks is a secretive website with no official headquarters and thousands of leaked, untraceable documents. Investigative reporter Philip Shenon explains the history of the site -- and recent developments since the April release of a classified U.S. military video showing a civilian massacre.

Missed evidence, ignored clues, political considerations--investigative journalist Philip Shenon examines the shortcomings of the 9/11 Commission.