PBS: How Wisconsin tests its voting machines to ensure election accuracy

William Brandham and Matt Loffman of NPR report on Wisconsin election officials’ efforts to ensure election accuracy.

Wisconsin is holding congressional and state primary elections this Tuesday. They’re seen by some as a dry run for November when the battleground state will play a crucial role in deciding the next president. Election officials have been increasingly transparent about voting mechanics to help boost confidence for the state’s 3.5 million registered voters.

Watch the interview on NPR.