U.S. voters and election security officials are bracing for potential disruptions, meddling and even violence as millions of Americans head to the polls Tuesday to cast ballots in the country’s midterm elections. According to a recent Economist/YouGov poll, just over half of Americans (51%) say violence at polling places is somewhat or very likely. The poll, which surveyed 1,500 adults between October 29 and November 1, found just as many (51%) believe there will be interference by foreign countries. A separate YouGov poll from July found 32% of those surveyed had little to no confidence in the results of themore