As Pennsylvania goes, so goes the nation. It’s been true since the 2016 presidential election, and this emerging battleground figures to be decisive again this November.

With the Senate split 50-50 and under nominal Democratic control thanks to Vice President Kamala Harris’s tiebreaking vote, the race to replace retiring two-term Sen. Pat Toomey (R-PA) could determine the majority. The governorship is also opening up as Gov. Tom Wolf, a Democrat with anemic job approval ratings, departs after two terms.