J. Edgar Hoover

Learn more about the "meddlesome priest" to which former FBI director James Comey referred in his Senate testimony on June 8, 2017.

Historian Matthew Pinkser explains the series of debates that would eventually help Abraham Lincoln become a stronger national candidate for president.

The White House is meant to reflect its occupant, and when a new president comes to town, things have to be changed very quickly. But what goes into the peaceful transfer of power? And how do workers turn the White House over in the blink of an eye?

No mission is too difficult for Delta Force, an elite unit of highly skilled warriors called upon for the most dangerous operations and critical moments.