The MAGA faithful didn’t take long to turn their fire on Kamala Harris after Joe Biden finally gave up on his re-election bid. Their weapon of choice? The tired old suggestion—resting on a long-ago relationship with the future mayor of San Francisco—that Harris slept her way to the top in politics. First up was right-wing activist and columnist Matt Walsh, who reminded his 2.9 million followers on X that Harris had “got her start in politics by sleeping with Willie Brown.” He went on: “She became Vice President because Biden needed a non-white female on the ticket. Now she likely...