It’s inevitable: Sen. John Fetterman (D-PA) will likely face a primary challenge when he runs for reelection in 2028. But one familiar Democrat said he’d be open to a rematch, former Rep. Conor Lamb, whom Fetterman bested in the 2022 Democrat primary. He’s testing the waters (via Pittsburgh Post-Gazette):Pittsburgh Post-Gazette named four potential Democratic challengers to Senator John Fetterman for US Senate in Pennsylvania1. “I think [Fetterman] represents himself and his sole project is to get attention for himself as much as [he] possibly can,” said former Rep. Conor Lamb, another potential challenger who lost the 2022 Democratic primary to Fetterman. “Where do I submit my Conor Lamb apology form?”