The Democrats have a Jewish problem, and his name is Barack Obama. Reluctantly, many Jews, loyal Democrats by birth and tradition, have concluded that he’s not The One they thought he was. With even greater reluctance, the White House has concluded that their Jewish problem is real, growing, and they better do something about it. Mitt Romney’s dramatic declaration Sunday in Jerusalem that preventing Iran from building a nuclear weapon is America’s “highest national security priority” and military force should not be excluded, and that he regards Jerusalem as the true capital of Israel, puts in stark relief the difference...