Members of the over 2 million-strong U.S. civilian federal workforce are looking to an unlikely source to protect it from Donald Trump and Elon Musk's promise to slash government employees and cut costs: the incoming Republican-controlled Congress. Federal employee unions are lining up lawyers and preparing public campaigns to try to stave off any mass firings, but they're hoping Republican Congress members will join Democrats in defending their importance to local economies, health and safety, union members and government watchdogs tell Reuters. Trump has tasked Musk and former presidential candidate Vivek Ramaswamy to head a panel to streamline the U.S....