Bunn Leaves KKGO: Mt. Wilson KKGO/Los Angeles morning host Graham Bunn has resigned to pursue other opportunities and co-host David Bugenske will now host mornings solo. Bunn's resignation follows last month's departure of co-host Amie Mangola (CAT 7/18). He joined the station four years ago (CAT 10/14/14) after working as a television personality.