Sounds like you're criticizing him for not solving a problem that you fail to even understand. No, he cannot fix this by himself, it requires the cooperation o

Sounds like you're criticizing him for not solving a problem that you fail to even understand. No, he cannot fix this by himself, it requires the cooperation of congress as well as either other countries or other prisons willing to take those who can't be released and he's gotten no cooperation in attempting to close it. The "commander in chief" is not as powerful as you seem to think he is.