We hope Sens. Chuck Schumer, Cory Booker and Kirsten Gillibrand are giving that devastating new profile of resident Obama’s foreign-policy guru a careful read. Because they’ll learn how they were all played for fools on the Iran nuclear deal by that aide, Ben Rhodes — and the resident. That applies especially to Schumer, who will be the Senate Democratic leader come January. Booker and Gillibrand hewed to the party line in backing the deal. Schumer gave it a thumb’s-down — but then refused to lobby his colleagues to take his side. Sen. Bob Menendez, on the other hand, is looking...