Millions of mailed ballots not yet returned in key states FILE - In this Monday, Oct. 19, 2020, file photo, an election worker places a vote-by-mail ballot into an official ballot drop box outside of an early voting site, in Miami. Just days before the presidential election, millions of mail-in ballots have still not been returned in key battleground states. Many of those are due in county offices by Tuesday, Nov. 3, but the latest Postal Service delivery data suggests its too late for voters to drop their ballots in the mail. (AP Photo/Lynne Sladky, File)
FILE - In this Thursday, Oct. 15, 2020, file photo, Nikki Schueller inserts her absentee voter ballot into a drop box in Troy, Mich. Just days before the presidential election, millions of mail-in ballots have still not been returned in key battleground states. Many of those are due in county offices by Tuesday, Nov. 3, but the latest Postal Service delivery data suggests its too late for voters to drop their ballots in the mail. (AP Photo/Paul Sancya, File)
FILE - In this Thursday, Oct. 15, 2020 file photo, Nikki Schueller inserts her absentee voter ballot into a drop box in Troy, Mich. Just days before the presidential election, millions of mail-in ballots have still not been returned in key battleground states. Many of those are due in county offices by Tuesday, Nov. 3, but the latest Postal Service delivery data suggests its too late for voters to drop their ballots in the mail. (AP Photo/Paul Sancya, File)
FILE - In this Monday, Oct. 26, 2020, file photo, an election worker takes ballots from voters dropping them off at an official ballot drop box at the Miami-Dade County Board of Elections, in Doral, Fla. Just days before the presidential election, millions of mail-in ballots have still not been returned in key battleground states. Many of those are due in county offices by Tuesday, Nov. 3, but the latest Postal Service delivery data suggests its too late for voters to drop their ballots in the mail. (AP Photo/Lynne Sladky)
FILE - In this Friday, Oct. 23, 2020, file photo, mail-in ballots for the 2020 General Election in the United States are seen after being sorted at the Chester County Voter Services office, in West Chester, Pa. Just days before the presidential election, millions of mail-in ballots have still not been returned in key battleground states. Many of those are due in county offices by Tuesday, Nov. 3, but the latest Postal Service delivery data suggests its too late for voters to drop their ballots in the mail. (AP Photo/Matt Slocum, File)
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FILE - In this Monday, Oct. 19, 2020, file photo, an election worker places a vote-by-mail ballot into an official ballot drop box outside of an early voting site, in Miami. Just days before the presidential election, millions of mail-in ballots have still not been returned in key battleground states. Many of those are due in county offices by Tuesday, Nov. 3, but the latest Postal Service delivery data suggests its too late for voters to drop their ballots in the mail. (AP Photo/Lynne Sladky, File)