After a dozen years at CNN, Brianna Keilar is getting her own daily show. The cable news net’s D.C.-based senior Washington correspondent will take over the 1 PM ET hour that’s currently home to Wolf Blitzer’s Wolf; he now will focus solely on The Situation Room, which airs weekdays from 5-7 PM ET. Details of Keilar’s new show will be announced later, CNN said. The net also said today that it has promoted three-year network veteran Clarissa Ward to chief international…