Voters in this year's primary will have a few new things to get used to. After years of legal wrangling, photo IDs are required to vote, but there's a process in place for voters who show up without one. And voters looking to use mail-in absentee ballots need to be aware of earlier deadlines. WUNC's voting and election integrity reporter, Rusty Jacobs, joins Capitol Bureau Chief Colin Campbell to explain what voters need to know as they participate in a big election year.