After President Joe Biden’s poor debate performance against Donald Trump in June, the New York Times reported that the former president managed to secure his “largest lead” — according to Times/Siena polls — since 2015. Then, when Biden dropped his reelection bid and selected Vice President Kamala Harris as his replacement, “something funny happened,” Atlantic staff writer David Graham writes in a Sunday, August 18 report. Graham argues that instead of becoming the new and improved Trump some “Republicans promised” following the failed assassination attempt on his life, the ex-president is rev…