A more efficient U.S. Postal Service can increase voter turnout in all states regardless of their mail voting laws, according to a Washington State University study. WSU researcher Michael Ritter analyzed election data from 2012 through 2020, when the pandemic encouraged many more people than usual to vote by mail. He found that in general more accessible mail voting laws, such as universal mail-in voting and no-excuse mail voting, increased the probability that individuals would vote. Restrictive laws, such as requiring a witness’s signature or identification for mail-in ballots, had a nega...