A Jan. 6 rioter who prosecutors argued was a key instigator that led to the takeover of the U.S. Capitol was convicted of multiple felonies on Friday‚ alongside four co-defendants. Authorities long pointed to Ryan Samsel as the man whose actions were a tipping point that turned a rowdy pro-Donald Trump protest into a downright violent riot‚ with him being one of the first—and possibly the first—person to push through barricades and throw them at officers at what is known as the Peace Circle...