Nearly 150,000 #MailBallots rejected in #California primary despite efforts to count every vote. Lawmakers concerned about #USPS #postmark changes. In January, a group of mostly Democratic US senators sent a letter to the USPS, alarmed that mail-processing changes might affect postmark dates for mail-in ballots during an #election year that will determine control of #Congress. #law #ElectionLaw #VoterSuppression