When Benjamin Netanyahu wanted to ensure his re-election four years ago, he turned to Donald Trump. Or, to be exact, to giant billboards of the then US president putting on his least threatening smile as he shook hands with the Israeli prime minister, under the Hebrew caption: “Netanyahu: in a different league”. Trump’s endorsement was a win for the man who has been Israel’s prime minister longer than any other. The US president was popular with Israelis for thumbing his nose at longstanding Washington policies by moving the US embassy to Jerusalem and recognising Israel’s annexation of the Golan Heights....