Carter may be considered awful, but he had to deal with congress and KEPT to the constitution. All we can say about Carter is.........his administration was awful as far as righting the ship. If it was he or congress that deserves the blame, we have to look back in history, but surely it wasn't a good time.
As an add on..........we now have a President who just bypasses congress for the most part. Are we now happy? I think not!
Conclusion: Presidents should not wield the power that Obama has, and when Presidents fail when they do not wield that power as Carter did, you know there is more to the story than just his incompetence.
But yes, it was a very bad time, and fair or not, he gets the blame soley because he was President.