BEN GURION AIRPORT, Israel: Israeli Prime Minister Benjamin Netanyahu headed to Washington on Sunday on what he said was a “historic” mission to try and stop a nuclear deal with Iran, an AFP correspondent said. The controversial 48-hour visit will see the Israeli leader addressing a joint session of the US Congress in a bid to garner last-minute support to halt an emerging world deal with Iran over its nuclear program, in a move which has infuriated the White House. But Netanyahu, who will also address the annual policy conference of the pro-Israel AIPAC lobby, has refused to back down....