GOP Underperformed in Districts Biden Narrowly Won

Cook Political Report: “Where Republicans faltered most significantly from ‘out-party’ performance in 2010 and 2018 was among the seats that the Biden had carried by a narrow margin (0-5%) in 2020. In 2010, Republicans won 77 percent of those races; in 2018 Democrats won a whopping 82 percent of them. This year, it looks as if Republicans will have won just 36 percent of these 11 districts.”