President and Mrs. Bush at a book signing with Rev. Billy Graham at the Billy Graham Library in Charlotte, NC. 12/20/2010

Reverend Billy Graham, the man known as America's Evangelist, made a rare public appearance at his library in Charlotte, NC.   He had lunch with Former President George W. Bush and Former First Lady Laura Bush.  In an exclusive interview with Fox News Channel, Graham reflected on their relationship.  Fox News Radio's Todd Starnes reports.