Could the excitement for Obama be his biggest problem

The NY Times is running an article today about how Obama has to temper the excitement of his supporters in order to not look like a failure.  With so many of his supporters being new, excited and unfamiliar the the trenches of actual political work it's possible that there is a let down like no other if he doesn't seem to make progress on his campaign promises.  Speculating on the future is not of use at this point, but it is clear that Mr. Obama needs to keep the base he has created solid or else he could face serious challenges the next time around.