Is the Republican Party's Middle East policy up for bid? For four days ending Sunday, a quartet of presidential hopefuls trooped to Las Vegas to attend the annual gathering of the Republican Jewish Coalition. Impresario: Sheldon Adelson, the Vegas-Macau casino mogul whose fortune is estimated at $39 billion -- 8th richest man on the planet -- and who dumped $92 million into the election of 2012. Adelson kept Newt Gingrich alive with a $15 million infusion of ad money, gutting Romney, and then sank $30 million into Mitt's campaign. This time Sheldon wants to buy himself a winner. Ari Fleischer,...