On May 31st, president Barack Obama strolled into the bright sunlight of the Rose Garden, covered from head to toe in the slime and ooze of the Benghazi and IRS scandals. In a Karl Rove-ian masterstroke, he simply pretended they weren’t there and changed the subject. More Taibbi: The Last Mystery of the Financial Crisis The topic? Student loans. Unless Congress took action soon, he warned, the rel