A mail-in ballot featuring California's Proposition 50 is seen in this illustration taken in Encinitas, California, U.S., October 21, 2025.  Mike Blake | Reuters The U.S. Postal Service proposed new rules Friday that would require states to provide voter-level data on mail-in ballots in federal elections, one day after a federal judge declined to immediately block President Donald Trump's executive order tightening mail-in voting rules. The proposal would require states to submit to the Postal Service the names and addresses of voters receiving mail-in or absentee ballots, along with unique barcodes tied to each voter's outbound and return ballot envelopes. USPS said the rule would help determine how many ballots were mailed and allow officials to compare that figure with the number of ballots returned to detect potential issues for further investigation. The rule would apply to general, special and runoff federal elections, but not primaries or ballots sent to military and overseas voters.…