The Capitol riot of January 2021 set off the largest criminal investigation in the Justice Department’s history. For federal prosecutor Ashley Akers, it was a defining moment in a seven-year career spent untangling complex cases, from wire fraud to domestic terrorism. She helped put away dozens of rioters – including some who swung bats and beat police officers. Then the tables turned. On his first day back in office, U.S. President Donald Trump granted clemency to every criminally charged January 6 rioter. Akers resigned. Now, Akers and other prosecutors who handled Capitol riot cases face a new threat. Reuters has...