A year ago J Street — the putatively progressive fledgling counter to the Israel lobbying group AIPAC — was riding high. They had just received a write up in the New York Times Magazine that was somewhere between a press release and a love poem and, with a complaisant Obama in the White House, the tiny organization seemed poised to be a significant player in the Middle East discussion. My, as grandma said, have times changed. For starters, J Street’s director, Jeremy Ben-Ami, has shown himself to be a Junior Beltway Pinocchio, serially denying his organization had the financial backing...