Last month there was a conference on C.S. Lewis at Southeastern Seminary. The audio of the plenary sessions are now available at the SEBTS chapel site for downloading:
Walter Hooper's Work as Editor of C.S. Lewis Works
by Walter Hooper, Literary Advisor to C.S. Lewis Estate
C.S. Lewis: America's Bonny Fighter
by Bruce Edwards, Editor of C.S. Lewis: Life, Work, Legacy
C.S. Lewis: Reflections about the Man
by Walter Hooper
Culture and Public Philosophy: The Other C.S. Lewis
James Como, Author of Remembering C.S. Lewis and Branches to Heaven