Al Schmidt, Pennsylvania’s top state election official, outlined Thursday how administrators in the nation’s biggest battleground state are preparing to take on election misinformation and even potential violence before and after ballots are cast this year.

Here are some of the most pivotal races on the 2024 ballot in Pennsylvania. Democrats can go a long way toward securing their tenuous control of the U.S. Senate if they can defend the seat of U.S. Sen. Bob Casey, D-Pa. Sign-up for Your Vote: Text with the USA TODAY elections team.