She held a joint event with Georgia’s most outlandish politician, Representative-elect Marjorie Taylor Greene, who during her primary campaign professed support for QAnon conspiracy theories, which claim that Mr. Trump is locked in battle with a clandestine cabal of pedophile Democrats. In a sign of the perils of Trumpist politics, Ms. Loeffler found herself the target of Democratic attacks after a photo appeared of her smiling alongside a former Ku Klux Klan leader at a recent campaign event. Asked about the senator’s politics, her longtime friend Ms. Marquis said the first she learned of Ms. Loeffler’s anti-abortion position was during her campaign. 