Were 300,000 Wisconsin voters turned away from the polls in the 2016 presidential election?

Noted: Political scientist Barry Burden, director of the Elections Research Center at the University of Wisconsin-Madison, told us: “There is no evidence that 300,000 people were turned away in the November 2016 election. We will never know the precise impact of the voter ID law on turnout. It is almost certainly not true that all 300,000 or so people who are registered but lack ID tried to vote this year.”