The poll is about long-term damage. There's no way Obama could have already committed long-term damage. If you think Carter has, then you can tell us what damage he committed.
You can hear a sigh of relief in plains Georgia, Jimmy Carter has been surpassed by obama as America worse president, of the 20TH century
obama had the distinction of being the first worst president of the 21ST century, and also the worse president of all time
It's too early to judge Obama's presidency against historical standards. But I doubt he can beat James Buchanan, Franklin Pierce, Jimmy Carter, and a few others who were really bad presidents.
When a president says he's going to fundamentally change America, what do you think he means?