OK. So, the Commerce Clause is applied whenever there is a activity going on that is a Privilege or Immunity. And privileges and immunities are anything that allows you to haul baitfish across state lines with contoured mudguards on your triple-trailer truck. And the test would be the Pike balancing test because a pike is a kind of fish and watching someone balance it would be funny.
I'm so ready for this final tomorrow. Nothing can stop me! Not even ignorance of the law (which we all know is no excuse). I am a finely tuned exam taking machine with a memory destroying addiction to Diet Coke and a cursory knowledge of the law. YES!