Pennsylvania Voter Registration Edge (D-R):
2008: Dem edge over Rep: 1,236,467(民主党比共和党多123万)
Result: Obama wins by 620,478
2012: Dem edge: 1,135,173(113万)
Result: Obama wins by 309,840
2016: Dem edge: 916,274(91万)
Result: Trump wins by 44,292
2020 (10/5): Dem edge: 717,386(71万)
Result: ??
2020民主党注册选民减共和党注册选民数比2016少掉将近20万
今年的结果会是?