Election officials said more than 15,000 mail-in ballots weren't completed properly after the state imposed new voting rules governing Tuesday's primary races.Election workers received thousands of calls from voters with questions and some vulnerable Texans opted to vote in person for the first time in years to ensure their ballot would be counted.Similar rule changes have been imposed in more than a dozen states since the 2020 election.This episode: voting reporter Miles Parks, politics and racial justice correspondent Juana Summers, and KUT reporter Ashley Lopez.Connect:Email the show at nprpolitics@npr.orgJoin the NPR Politics Podcast Facebook Group.Subscribe to the NPR Politics Newsletter.Find and support your local public radio station.