COLLEGE PARK, Md. – The storming of the U.S. Capitol is a jarring but natural product of years of violence and hateful rhetoric stoked by disinformation and conspiracy theories, experts on far-right extremism said as they pored over images of Wednesday's riot.Members of far-right groups, including the violent Proud Boys, joined the crowds that formed in Washington to cheer on President Donald Trump as he urged them to protest Congress' counting of Electoral College votes confirming President-elect Joe Biden's win.