Welcome to the Early Bird guide at TV Tome.Former "The Late Show With David Letterman" head writer Rodney Rothman has scored a cast-contingent pilot order from NBC for a new comedy about a twentysomething guy who moves into a retirement community. The project, which is based on the writer's upcoming book of the same name, is set up at NBC Universal Television and 3 Arts Entertainment. 3 Arts' David Miner and Howard Klein will executive produce alongside Rothman ("Game Over," "Undeclared").- Thefutoncritic.com