So you have extremely strong evidence of legal and anti-competitive practices and nothing can probably be done ?? Is the US financial industry now untouchable? Sounds like some south american banana republic from the 70's to me.
The scary thing is this probably speaks volumes about the insidious effect of the banking industry on the US economy. (BTW - I am a brit and living on the UK but I care because if the US economy goes I'm pretty sure it'll drag the UK and most of western europe down with it.