A pro-Biden strategist threatened to cut an interview short after a reporter questioned his characterization of polls showing Republicans leading key races as being “just wrong.” Simon Rosenberg, a founder of the New Democrat Network, said during an interview with the New Yorker published Thursday that the “fundamental dynamic” of American elections since the Dobbs decision is one of “consistent Democratic over-performance.” When New Yorker reporter Isaac Chotiner pressed Rosenberg on his claims, citing FiveThirtyEight.com’s review of polling accuracy from the 2022 midterms, Rosenberg threaten…