They're scientists. Veterans. Park rangers. Lawyers. Researchers. Administrative staff. They work on fire safety. Safe drinking water. Veterans' health. Combating bird flu. They're from all over the country, in red states and blue. They're young and old. Thousands of federal workers have been fired in the last month. They're victims of efforts by President Donald Trump and his senior adviser, billionaire tech mogul Elon Musk, to cut the size of the government. And they want people to understand what they did and why they loved being public servants. Anna Conn, 35, Centers for Disease Control and Prevention in Asheville, N.C.:...