NBC is in advanced negotiations with David Gregory to become the moderator of "Meet the Press" and could announce the move as early as Sunday, when Tom Brokaw hopes to wind up his temporary stint on the program, according to network sources familiar with the situation. The decision, if not derailed at the last minute, would place the network's lucrative franchise in the hands of a 6-foot-5 journalist who has been a chief White House correspondent, cable news host, frequent fill-in on "Today" and accomplished mimic who has dared to dance on the ... (more)