'SNL' exodus - 4 cast members out, 5 new faces added for Season 51

The "SNL" exodus marches on. Find out which stars are exiting the long-running sketch show ahead of Season 51, and who's joining the cast as featured players, including one familiar face. Devon Walker called the show "sometimes . . . toxic as hell" in an Instagram post, and staff writer Celeste Yim threw shade on their way out,...