Advocate staff photo by TRAVIS SPRADLING -- U.S. Sen. David Vitter, left, answers a question at a Gubernatorial forum hosted by Louisiana State Troopers Association at the Crown Plaza hotel Saturday, as fellow candidate John Bel Edwards, D-Amite, looks on. Candidates participating were Public Service Commissioner Scott Angelle, Lt. Gov. Jay Dardenne, and Vitter, all Republicans, and Edwards, a Democrat. Retired La. State Police Chief of Staff Lt. Col. Mark Oxley, the event moderator, is in background.