He has preached to more people on more continents than anyone in the history of the planet. He's provided spiritual guidance to hundreds of millions and is one of the most revered religious figures in modern times.
The Rev. Billy Graham, the world's most famous evangelist, has also ministered privately to the world's most powerful men: the presidents of the United States.
In a special edition of "20/20," Charles Gibson explores the untold story of Billy Graham's ties to 11 U.S....Full Story