How did Obama manage to spend all his political capital so quickly? Did it all go on the stimulus bill? Wasn’t the whole point of bringing Rahm in as chief of staff that he could work constructively with Congress to pass an ambitious agenda? And isn’t Obama himself the first president since JFK to have entered the White House from the Senate? I’m not sure when everything went wrong here, but I fear that the damage is now irreparable — and that Obama’s agenda is going to be severely scaled back as a result. Our explanation is rather simple: Obama’s...