Premise

The comedy legend's 45th annual fund-raiser for muscular-dystrophy research, telecast from Las Vegas with local segments telecast on "Love Network" stations. Scheduled performers include David Archuleta, Enrique Iglesias, Lynyrd Skynyrd, Barry Manilow, John Ondrasik of Five for Fighting, OneRepublic and War, plus comedians Charlie Callas, Carrot Top, Norm Crosby, Terry Fator, John Pinette, Jeff Trachta, George Wallace and Bob Zany. Also: profiles of families affected by muscular dystrophy.