Sen. Lindsey O. Graham is a long shot to be president. So the South Carolina Republican, who announced his campaign Monday, needs help from some very powerful people to reach his ultimate goal. Actually, there’s one person, in particular. Graham is hoping to get a boost (in the form of millions of dollars to his super PAC, preferably) from Jewish mega-donor and Las Vegas casino magnate Sheldon Adelson. Adelson is a rich man with a near-singular focus on one issue: banning online gambling. It’s a moral hazard to America’s great nation, says Adelson, who has vowed to “spend whatever it takes” to ensure...