Democrats and voting-rights groups have challenged the proposed rule as a harmful federal intrusion that could affect millions of voters who cast their ballots by mail.
The president is using the slow count of mail ballots in California to renew his effort to cast doubt on election outcomes he doesn’t like, despite a lack of evidence of any widespread fraud.
By baselessly framing the rise of a candidate for Los Angeles mayor as a Democratic scam, President Trump has extended his long-running project to erode public faith in elections.
Ballots are sorted the day after California’s primary election at the Los Angeles County Ballot Processing Center in City of Industry, Calif., on Wednesday.