http://en.wikipedia.org/wiki/Impeachment#United_States
thanks to the internet, you don't actually have to have a post-secondary education anymore. I envy you modern kids.
at any rate, even
IF the President were impeached, Roberts and the new and improved Supreme Court wouldn't convict him of anything less than blatant treason. Not this hodge-podge, maybe-might-have-kinda-sorta-bent the law (just a little bit) legalism of which Bush has been accused.