That isn't a fact, it's your opinion. And if you're right, his accomplishments are all the more impressive without the benefit of your superior intellect. ;-)
No doubt Carter and Clinton are considered much smarter than Bush and Reagan. Didn't stop the Democrat dynamic duo from making a lot of incredibly stupid decisions while those two dummies won the Cold War without firing a shot, produced the greatest economic expansion in history, liberated 50 million from brutal totalitarian regimes and cleaned up the spectacular messes left by our geniuses.
Sean's job may seem easy from the driver's seat going home. Hitting a Randy Johnson slider looks easy from the big chair in my living room too. I don't know about you, but I wouldn't feel so smart in front of a microphone three hours a day plus an hour in front of the cameras.
Well maybe I would if I could sit next to Alan. ;-)