He's captured Saddam
How exactly is that good for America? Saddam deserves to be punished, but the whole process has cost: Many lives, lots of money, damaged the US's credability on the world stage and so on.
has the most ethnically diverse cabinet in history
Good I'll admit in image, not so much if that's all it's for. He could have a member from every racial group in existance, but it has little meaning for the people or Nation if it doesn't have any actual benifit. It just looks nice in press releases.
has reinforced conservative beliefs
And they are? Prochristian, antiabortion, depriving gays of certain equal rights, started stepping around personal freedoms etc. Why is it good reinforcing conservative values? I'd be more impressed if it could be said "Took a liberal path that increased cooperation between all people, drove back racism and bigotry in all it's forms, was a fried of the arts and education etc. But alas, he preserves conservative beliefs.
A tree-humping hippie is an un-employed leftie who hasn't bathed in over a month and sing songs about shit that'll never happen.
No idea what this has to do with anything, but it's never a good thing to catagorise such a diverse group as those who lean more to the left of the political spectrum.
Still, far be it for me to say he has been a bad leader - I don't have to put up with him. Still, as an outsider looking it it would appear that historians will have less good things to say about him then bad. Not saying that there are no good things (I mean the Texas Rangers are an example of good things) but there certainly seems to be bad things.