Moms For Liberty, flash in the pan It looks like another vaunted group of culture warriors bites the dust: Moms for Liberty, a national right-wing advocacy group, was born in Florida as a response to Covid-19 school closures and mask mandates. But it quickly became just as well known for pushing policies branded as anti-L.G.B.T.Q. by opponents. So when one of its founders, Bridget Ziegler, recently told the police that she and her husband, who is under criminal investigation for sexual assault, had a consensual sexual encounter with another woman, the perceived disconnect between her public stances and private life fueled intense pressure for her to resign from the Sarasota County School Board. “Most of our community could not care less what you do in the privacy of your own home, but your hypocrisy takes center stage,” said Sally Sells, a Sarasota resident and the mother of a fifth-grader, told Ms. Ziegler during a tense school board meeting this week. Ms. Ziegler, whose husband has denied wrongdoing, said little and did not resign. Ms. Sells was one of dozens of speakers who criticized Ms. Ziegler — and Moms for Liberty — at the meeting, an outcry that underscored the group’s prominence in the most contentious debates of the pandemic era. Perhaps no group gained so much influence so quickly, transforming education issues from a sleepy political backwater to a rallying cry for Republican politicians. The organization quickly became a conservative powerhouse, a coveted endorsement and a mandatory stop on the G.O.P. presidential primary campaign trail. Yet,…