Politico: President Barack Obama has given progressives plenty to be angry at him for lately: The liberal wish list he laid out at his second inaugural remains just that. Then came revelations of sweeping domestic surveillance programs that triggered flashbacks to the ultimate villains of the left, George W. Bush and Dick Cheney. Yet despite all of that, Democratic activists on hand here for the largest annual gathering of progressives cut the president a surprising amount of slack. Yes, theyre unhappy about...