FOR A MOMENT, DIANNE MORALES SEEMED LIKE THE left’s best shot at stopping the more moderate frontrunners in New York City’s Democratic mayoral primary race, businessman Andrew Yang and ex-cop Eric Adams. Though she was always a long shot, consistently polling in the single digits, Morales began gaining traction among the city’s fragmented left after allegations of sexual harassment and abuse upended the campaign of city Comptroller Scott Stringer, who had hoped to consolidate progressive support. Morales, a former nonprofit executive, positioned herself as the most left-wing candidate in the crowded field and started bringing in impressive fundraising hauls, qualifying for millions of dollars in matching funds for the first time in March.
But less than four weeks before Election Day, the Morales campaign collapsed, and did so in an…