US Postal Service issues new rule for mail ballots, but its impact on the midterms is uncertain

The USPS issued new mail-ballot rules tied to President Trump's order, but they only take effect if the Supreme Court allows the order to stand.
A federal judge has frozen the order ahead of November and the administration has appealed to the Supreme Court, leaving the rule's fate uncertain.
The timing is tight — overseas military ballots start Sept. 4 — and the rule would require states to submit voter lists, potentially complicating preparations.