For 50 years, he has carried the torch for the blues. Buddy Guy learned by listening to the greats that came before him, and then he made the blues his own.  He is one of the greatest guitarists of all time, and an extraordinary showman, who inspired a generation of rock n' rollers, including Jimmy Hendrix, Eric Clapton, Jimmy Page, and countless others.  He talks here about his early days picking cotton in rural Louisiana, about making his first guitar with strings pulled from a window screen, and about his abiding friendship with BB King.  As Buddy Guy says: "If you haven't had the blues, just keep living."