DETROIT – Presidential candidates from both parties frequently visit battleground Michigan. But its swing-state status could evaporate if Michigan lends its 15 votes to the National Popular Vote Interstate Compact, as Minnesota Gov. Tim Walz did in his state last year. The compact is a vote pledge between states designed to subvert the Electoral College. Since America’s first presidential race, the country has used the Electoral College to select presidents – but this movement seeks to upend that tradition. In 2024 there are 538 electors, split between the 50 states and Washington, DC. It takes a majority of electoral votes – 270…