He's been criticized for keeping Guantanamo open, for not including a public option in the health plan, for compromising too much with the Republicans, etc.
You have yet to explain why Derrick Bell was such a terrible person, nor have you told us why giving the man a hug and encouraging people to listen to his words twenty years ago should make Obama seem like a bad person now. That's the problem with extremists like yourself. You are told how you should feel about an issue, and you never stop to ask for facts. You just blindly do as you're told. Fortunately, most Americans are smarter than you.