NBC is readying a celebrity-filled rollout of a revived "Family Feud." Set for a July 1 premiere, the game show will be hosted by Al Roker and air Tuesdays at 8, leading into a new season of "America's Got Talent." The new "Feud" will have a different format with hourlong episodes featuring four teams battling it out for charity with some consisting of celebrities and their relatives and others made up of reunited TV casts.