On a huge billboard, Jay Leno's battering-ram jaw juts out over Broadway. AMERICA IS STANDING UP FOR JAY, the sign says. Maybe NBC hopes the nation's insomniacs will take a loyalty oath to keep watching the Tonight Show, and repel alien threats from David Letterman on CBS and Chevy Chase on Fox. So who's standing up for these guys? Bosnia?
The late-night drawling room has never been so crowded: Jay, Dave and Chevy competing for viewers with Arsenio Hall and Conan O'Brien, Dave's NBC replacement in the late-late slot. The new guys are joining a high-stakes poker game where Rick Dees,...