ILLUSTRATION: MOLLY ROSE DYSON FOR BLOOMBERG BUSINESSWEEK
(Bloomberg Businessweek) -- The front line to protect the integrity of the U.S. presidential election is in a Springfield strip mall, next to a Chuck E. Cheese’s restaurant. There, inside the Illinois Board of Elections headquarters, a couple dozen bureaucrats, programmers, and security experts are furiously working to prevent a replay of 2016, when Russian hackers breached the state’s voter registration rolls.