On the morning of January 6, 2021, Michael Palian went to work as an FBI agent assigned to a task force investigating health care fraud. Then a pro-Trump mob stormed the Capitol. That afternoon, he was among the FBI agents who rushed to the Capitol to guard senators who had gathered earlier in the day to certify now-President Joe Biden's victory in the 2020 election. On Monday, federal prosecutors called Palian as the first witness in the seditious trial of Oath Keepers founder Elmer Stewart Rhodes and four others charged with plotting to violently prevent the peaceful handoff of power...