Sheldon Adelson listens as New Jersey Gov. Chris Christie speaks during the Republican Jewish Coalition, Saturday, March 29, 2014, in Las Vegas. Several possible GOP presidential candidates gathered in Las Vegas as Adelson, a billionaire casino magnate, looks for a new favorite to help on the 2016 race for the White House. (AP/Julie Jacobson)

Newt Gingrich Donor Sheldon Adelson: Casino Mogul and Israel Hardliner

He’s an ardent supporter of Israel. A mega billionaire casino mogul whose Las Vegas Sands Corp. is under federal investigation. And the self-proclaimed “richest Jew in the world.”