re: Federal Prosecutors are now PLEADING the 5th when asked "Did you break the law"!

Well, it’s not perjury if you objectively believed in your statement. Saying “I didn’t break the law” isn’t perjury if you broke some obscure law and legitimately had no knowledge that you were breaking that obscure law. I don’t inherently disagree with your result—it’s pretty much always smart legal advice to plead the fifth. Your reasoning is a little flawed though.