In this 2020 photo, people vote at the Milwaukee County Sports Complex in Franklin, Wisconsin. Morry Gash/AP/FileRepublican lawmakers and activists in several presidential battlegrounds are pushing ballot measures to change how elections are run in their states. Critics say those efforts, if successful, could make it harder to administer voting in places that could decide key political contests.Today, Wisconsin voters are deciding whether to alter the state’s constitution and ban any private money in elections, one of two GOP-backed measures on the ballot focused on election…