President Joe Biden has made a rare jump into the 2024 battleground political fray since ending his reelection bid [Video]

President Joe Biden made a rare jump into the 2024 political battleground fray since taking a step back after ending his reelection bid.He campaigned Tuesday in Pennsylvania for a close ally after having stopped in Wisconsin to spotlight a signature legislative achievement.But as Biden made a quick swing through the key states, two Democratic senators locked in competitive reelection battles took markedly different approaches to the outgoing president, whose approval ratings in a significant swath of the country remain in the pits.Biden was fully embraced by Democratic Sen. Bob Casey when participating in a private campaign fundraiser in suburban Philadelphia for the senior Pennsylvania senator. The event overlapped with the Philadelphia Phillies baseball playoff game against the New York Mets.But in Milwaukee, where Biden spotlighted his administration’s efforts to replace the nation’s toxic lead pipes, incumbent Democratic Sen. Tammy Baldwin was conspicuously absent.Video above: Joe Biden announces new lead pipe …