Regular D.C. area Morning Edition listeners will soon have a new local host at WAMU. Bill Redlin, who has hosted the program for WAMU since 1985, announced today on the air (through a scratchy voice that sounded like he has a cold) that he will move to middays, while regular substitute Matt McCleskey will take the reins of the morning slot. According to a release from WAMU, Redlin will also assume a mentorship role for…