So the IRS has been investigating 'Tea

[mythology]

8. Actually I'd wager that they are following the existing laws

which is precisely the problem. As Jacob Hacker and Paul Pierson demonstrate in their book Winner-Take-All Politics, the extremely wealthy and corporations have spent the last 40 years stacking the deck so that they legally can improve their economic position.

While the ways in which they have done so may well be immoral, I think it's easier (read cheaper) for them to for them to get the tax law tilted in their favor than it is to actually illegally evade taxes.

That's the problem with the idea of arresting all the bankers. The laws preventing the over-leveraging and so forth had been repealed. Stupidly as it turns out because a large percentage of people and/or corporations unfortunately really can't be trusted to do the morally correct thing.