Even if they didn't know about the law, that's not an excuse. Ignorance of a law does not excuse you from breaking it. They SHOULD all be prosecuted, but hey, America. You know, the country were some are actually openly above the law because it doesn't really matter as the whole system is apparently corrupt.
"How many folks with retirement investments in mutual funds know which companies they are "invested in" at ALL times (much less at any given time) ?"
"131 Federal Judges Broke the Law by Hearing Cases Where They Had a Financial Interest