From Newsweek:
For Israeli leaders, a public break with the United States is the third rail of politics. The possibility that Israelis might lose the support of the one nation that can guarantee their security awakens an existential dread that no politician can long survive. It is this factor, as much as any, that has restrained the Israelis from taking military action against Iran despite Tehran's efforts to build a nuclear-weapons capability. But now the possibility of such a break seems higher than it has in two decades. So it's no surprise that, as he prepares for his first meeting as prime minister with President Obama on May 18, Benjamin Netanyahu has been "fine-tuning" his hard-line positions on peace and Iran, as a senior Israeli official described it. "As we speak, there are meetings going on to make sure we have a success" at the summit, the official said.
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