Pennsylvania once again became the center of the political universe Saturday, hosting last-weekend midterm election rallies featuring American presidents past and present. 

While President Joe Biden and predecessor Barack Obama fired up Democrats in Pittsburgh and Philadelphia, ex-President Donald Trump exhorted Republicans in Latrobe to vote – mostly on behalf of candidates in a key U.S. Senate race, but also with eyes on the 2024 presidential race that could re-match Biden and Trump. 

In a midterm election Tuesday that could shift the balance of power in Washington, the Democratic leaders urged voters to exercise their Constitutional right. 

"Two years ago, you used that power to make Donald Trump not only a former president, but you made him a defeated president," Biden told a crowd of cheering Philadelphia supporters who gathered at the Temple University basketball arena. "And this year, you have the power to make John Fetterman your next Senator."