Michael Stenger, the Senate sergeant-at-arms who oversaw security in the upper chamber during the Capitol riot, died Monday morning, according to multiple reports. The cause of his death was not immediately clear. Stenger held the post from 2018 to 2021 and stepped down the day after the Jan. 6 attack. "There is an opportunity to learn lessons from the events of January 6th. Investigations should be considered as to funding and travel of what appears to be professional agitators. First Amendment rights should always be considered in conjunction with professional investigations," he said in an opening statement before a Senate...