Lila Diane Sawyer ( born December 22 , 1945 ) is a co-anchor of ABC 's morning news program , Good Morning America . Lila Diane Sawyer ( born December 22 , 1945 ) is the current anchor of ABC News ' flagship program , ABC World News . Previously , Sawyer had been co-anchor of ABC Newss morning news program , Good Morning America ( GMA ) .