By Frank Morris
http://stream.publicbroadcasting.net/production/mp3/kcur/local-kcur-643006.mp3
Kansas City, Missouri – Chris Koster, a state senator, officially announced his bid for Missouri Attorney General tonight in his home town of Harrisonville. Koster who was a Republican until this summer, is running in the Democratic Primary. He tells KCUR's Frank Morris that a handful of issues drove him out of the GOP.