By Hannah Rabinowitz, CNN A leader of the Proud Boys pleaded guilty on Friday to two felony charges in one of the most prominent criminal cases against an organized far-right group that participated in the US Capitol attack on January 6, 2021. Charles Donohoe, 34, is the first person in the Proud Boys leadership to plead guilty and to assist the Justice Department's investigation against the pro-Donald Trump group. He pleaded guilty to conspiracy to obstruct an official proceeding and assaulting an officer and could provide vital information to prosecutors about what the top members of the organization had planned...