A US Postal Service whistleblower has warned that a new ballot-processing system ordered by President Donald Trump and due to launch Tuesday could prevent millions of Americans from receiving mail ballots…

More mail-in ballots are being tossed for lateness than before—an ominous warning ahead of November’s elections.

The Supreme Court is considering Trump’s plan for the mass rejection of mail ballots. Whatever happens, many ballots may be tossed due to USPS delays.

The whistleblower's complaint comes as the Trump administration's U.S. Postal Service ballot rule is being challenged in court.