The thing is that Nobel prize was the turning point in Os Presidency where the luster fell off.
It was awarded by Euro snobs as a slap against the US and former President Bush and like lefties always do they considered themselves so superior that it would be applauded.
What it did was make a population take a step back and say "wait a minute,what has this guy really done" and begin to actually look at his policy proposals as well as his total lack of ability and empty record.