President Obama's poll numbers have hit just about the lowest point of his presidency.
They started sinking after the Obamacare website's miserable debut last month. Now, only around 40 percent of Americans think Obama is doing a good job. More than half disapprove of his performance. (A year ago, the numbers were the opposite.)
It seems obvious to say that a high approval rating helps a president, while a low approval rating hurts him. But here are five reasons Obama's numbers might not be as troublesomeas they sound.
1.