WASHINGTON (Reuters) -The former leader of the right-wing group the Proud Boys, Enrique Tarrio, and four associates were charged with seditious conspiracy on Monday for their role in the Jan. 6, 2021, attack on the U.S. Capitol by Donald Trump’s supporters. Federal prosecutors accused the five men of plotting the attack in advance and encouraging other Trump supporters to prevent Congress from certifying his 2020 election defeat by Democrat Joe Biden. Thousands of Trump’s supporters stormed the Capitol that day after a fiery speech in which he repeated his claims that his loss was result of widespread fraud, an allegation...