Out with the old, in with the somewhat new. So goes NBC's thinking on late night programming, sources told the Hollywood Reporter Saturday. The network is reportedly moving towards announcing in May that they will phase Jay Leno out, and move Jimmy Fallon into the coveted 11:35 pm timeslot for the 2013-2014 season. Leno is currently under contract through 2014."Kimmel has done extremely well," a network veteran told The Hollywood Reporter. "Jay wins overall, but on any given night, it's neck-and-neck in 18-49. I understand where they might have fear and also feel that they own the solution [in Fallon.]"