More than two dozen local officials in swing states have refused to certify elections in recent years, including after the primary election in Nevada's Washoe County this summer.

Vice President Kamala Harris is set to launch a battleground tour next week with her yet-to-be-named running mate, with stops in seven swing states stretching from Pennsylvania to Nevada.

Wisconsin is one of a handful of pivotal states in the 2024 presidential election. Within the swing state, there are swing counties that could decide the election — even as people remain divided.

Erie County, Pa., is one of just a handful of places that boomeranged from supporting Obama in 2008 and 2012, to Trump in 2016, to Biden in 2020. It's worth watching in 2024.