The headline says it all.

Why Isn’t Wall Street in Jail?

Financial crooks brought down the world’s economy — but the feds are doing more to protect them than to prosecute them

via Why Isn’t Wall Street in Jail? | Rolling Stone Politics.

It’s all about cronyism and revolving-door regulation.  There’s no way the feds can compete with the money the banks put out there, so probably the only way to stop this kind of crookedness is to keep the banks from getting so big in the first place.  We used to have laws about that – antitrust, Glass-Steagall, etc.