JEFFERSON CITY, Mo. (AP) — Missouri's U.S. Senator Claire McCaskill will travel the state this week to hear about the concerns of senior citizens in Missouri on retirement, fraud and healthy living. McCaskill will hold eight events on Tuesday, Wednesday and Thursday to discuss the upcoming priorities in Congress that would affect seniors. Events will be held in St. Louis, Macon, Columbia, Chillicothe, Kansas City, Branson, Springfield and Farmington.