Jeb Bush loves talking about how Moses once gave him a gun. A staunch supporter of Second Amendment rights, Bush frequently tells the story of being honored as National Rifle Association "Statesman of the Year" and being awarded a gun by Charlton Heston. "You know who you're lookin' at here? You're looking at the guy who won the NRA Statesman of the Year award," Bush said last month at a town hall in Milford, New Hampshire. "Not the Florida award. The national award. And I got a rifle from Charlton Heston, I got a rifle from Moses." It's a similar...