In the battle for the Republican pro-Israel vote, Newt Gingrich lacks Mitt Romney’s broad base of prominent Jewish donors. But he has something potentially more powerful: the support of one of Benjamin Netanyahu’s most significant American backers, and a relationship with the Israeli prime minister himself that stretches back decades.

Billionaire casino mogul Sheldon Adelson, one of the wealthiest men in the world and a major donor to Jewish and conservative causes, is widely known as a Netanyahu stalwart. Less well known are his equally close ties to Gingrich, to whom he has been a major giver in recent years.

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