One hundred years ago this month, the United States declared war on Germany and thereby entered World War I. Experts discuss why the United States entered "the Great War," the consequences it had for…

RICHARD N. HAASS: If we could get started, please. (Striking glass.) Thank you, sir. We're going to start a few minutes early given that we have so much ground to cover. Today's about Ted Sorensen, …

Panelists discuss the policies and priorities of the Jimmy Carter administration and the lessons to be learned for U.S. foreign policy today.

Watch Theodore C. Sorensen, speechwriter for President John F. Kennedy, discuss his recent autobiography.