A federal judge is allowing the Trump administration to move forward with its plan to downsize the federal workforce by offering employees the option to resign now but stay on the payroll through September.

Federal labor unions didn't have legal standing to sue, a federal judge in Massachusetts said. The administration had been losing a series of claims.

Almost all civil servants can opt to resign now and get paid through September without showing up for work—but Senator Tim Kaine warns it's a trick.