I failed to see any reason why the president needed to comment on the situation to begin with. Perhaps his true feelings showed a little bit here and we see that he is a minority that feels blacks are unjustly treated by a white society.
Dont get me wrong im all for equality but when equality becomes reparations for the deeds of our ancestors (and that doesnt even apply to alot of us), it has gone to far.
Obama invites Gates, Cambridge officer to the White House - Local News Updates - The Boston Globe
If Crowley thinks this is enough, then that's all that should be said about it. He was the one Dear Leader called stupid, so what makes for a sufficient apology is Crowley's call to make.