NBC will reshape Thursday into all-comedy night and move its two "Law & Order" dramas as part of a midseason shake-up. The network is shifting "30 Rock" and the freshman series "Outsourced" to the final hour of prime time starting Jan. 20. The rest of the night's lineup, starting at 8 p.m. ET, will include "Community," newcomer "Perfect Couples," "The Office" and returning series "Parks and Recreation." "We were looking to add more comedy to our schedule and we believe the best way to do so is to expand our already successful Thursday night," NBC scheduling chief Mitch Metcalf said in a statement Monday. Tina Fey's "30 Rock" has been renewed through the 2011-12 season, NBC also announced. The novel approach of comedy in a spot traditionally held by dramas could help fight a 10 p.m. ratings weakness that has beset the major broadcast networks this season. Some of the blame go...