No the Russian connection is definitely a hoax. Even the media know there's nothing there but they still pretend to. Over a year of investigations and not a single legitimate connection. Russia is used as a political tool and has been for years...
I cant speak for the US tax code and yeah its possible he's not paying his fair share. But someone doesn't become a billionaire without inuring hefty tax bills unless they store it offshore. He does get audited so i'd say they would've found something by now.
