Netanyahu heads to Washington

Israeli Prime Minister Benjamin Netanyahu attends a press conference in Jerusalem, Tuesday Dec. 2, 2014. Israel's prime minister fired two senior Cabinet ministers from his divided government Tuesday and said he would call early elections, plunging the country toward a heated campaign more than two years ahead of schedule. (AP Photo/Gali Tibbon, Pool)

Israeli Prime Minister Benjamin Netanyahu headed to Washington on Sunday to press his case against an emerging deal on Iran’s nuclear program in a contentious address to the U.S. Congress he is likely to deliver on Tuesday

Mr. Netanyahu’s intention to deliver the address — without consulting the White House — has caused an uproar that has exposed tensions between Israel and its most important ally, the U.S.