Walt and Mearsheimer's (and Carter's) double standard

There's a great article in today's Wall Street Journal that exposes the double standard propounded by Stephen Walt and John Mearsheimer - and by former President Jimmy Carter - in which it's okay for the Saudis and their petrodollars to lobby the US Congress and government to adopt pro-Arab positions, but when American Jews attempt to organize and do the same thing, they are derided as having