is colin powell completely black
If you're wondering if he's got white ancestry, you don't even need to look at his skin color. He's black, he's American, and he's descended from slaves. It's almost certain that he's got a white ancestor. If that's not the question you're asking, I suggest you do a morality check.
is conservatism racism
That one doesn't deserve a response, though it is worth pointing out that people will actually search the web for something like this (and then amazingly click on what someone like me has written).
bible stating gay marriage isnt a sin
and which Bible would this be? The one I know doesn't discuss it at all.