"A Washington Post culture writer chronicles the challenges she faces as a Black mother in a mostly white mommy group in a time of gentrification, racial reckoning, and a global pandemic. Helena Andrews-Dyer lives in the Bloomingdale neighborhood of Washington, D.C., a picturesque collection of rowhouses near the center of the city that has become increasingly gentrified in the last decade. After having her first child a few years ago, she joined...