Wolf Blitzer is officially taking over the 7pm time slot on CNN. "The Situation Room will now receive greater prominence in the CNN lineup," the network announced this afternoon. Wolf started anchoring a "special edition" of TSR in Anderson Cooper's spot on Monday.

Blitzer is trading the 3 and 7pm time slots. Live From, anchored by Kyra Phillips, will extend one hour and will air from 1 to 4pm, beginning Monday, Nov. 7...