House Speaker Nancy Pelosi recently warned that "dangerous new policies" made by Postmaster General Louis DeJoy, who took the top job at the United States Postal Service in June, will prevent mail-in ballots from being counted. Sen. Chuck Schumer has charged that there is a conspiracy afoot to "undermine and dismantle the post office ahead of the November election." This is rank, irresponsible scaremongering. Consider two central facts. (1) The USPS is ready to handle mail-in voting. Even if...