Louisiana Lt. Gov. Jay Dardenne, a Republican who was eliminated from the state's gubernatorial race in the jungle primary last month, has endorsed Democrat John Bel Edwards over Republican Sen. David Vitter. Dardenne announced his support for Edwards at a news conference at Louisiana State University on Thursday, a day after the Vitter campaign rolled out an endorsement of its own from former Republican Louisiana Gov. Mike Foster. The race has split Team Dardenne, which, along with supporters of Republican Scott Angelle, came up short in the October primary. Earlier this month, Dardenne's spokeswoman, Marsanne Golsby, announced her support for...