** ADVANCE FOR USE SUNDAY, NOV. 15 ** FILE - In this June 3, 1976 file photo, television newswoman Barbara Walters and former NBC Today show host Hugh Downs hug during airing of Walters' final live broadcast as co-host of the morning news program, at the NBC studios in New York City. Eight decades after pioneering the concept of broadcasting, NBC is on the verge of a startling move that illustrates broadcast television's decline.(AP Photo, file)