Two House Democrats have been ousted by their Republican challengers in Pennsylvania, bolstering the GOP’s chances of defending its slim majority as it inches closer to the 218-seat threshold. Republican candidate Ryan Mackenzie defeated three-term incumbent Rep. Susan Wild (D-PA) in Pennsylvania’s 7th Congressional District, securing a big win for Republicans. Mackenzie defeated Wild with 50.7% of the vote with more than 95% of ballots counted so far. The Associated...