Among Jimmy Carter's foul-ups is his inability to maintain the unity and loyalty of congressional Democrats. Reagan would face a somewhat similar problem in that he lacked majorities altogether. That said, after a first year of difficulty he would likely be forced to compromise more on domestic policy. That said, circumstance would still doom him.
I could question Carter's inability to deal with Congress but I agree that Reagan would have a difficul time but what about Foreign Policy?
Carter's bungling of his congressional situation is, in my opinion, nigh unquestionable. I suggest a look at the link below.
http://www.questia.com/library/journal/1G1-160103825/the-program-for-better-jobs-and-income-welfare
