AdvertisementUnlocking The Keystone State: Why Pennsylvania Is CrucialNovember 03, 2020Barbara SpruntfacebookEmailVoters wait to cast their ballots on Tuesday in Butler County, Cranberry Township, Pa. Aptly called the Keystone State, Pennsylvania is one of the most contested states this election cycle. Both the Biden and Trump campaigns have emphasized how crucial the state is to their electoral prospects. (Getty Images)