FORT WORTH — When Lillie Biggins learned that the YMCA in East Fort Worth was in danger of being sold, she did what people on this side of town do when they need help.
She called Marc.
Marc lived in the neighborhood, and his son had learned to swim at this Y. He’d grown up in an area of the city like this one — predominately Black and Latino, poor, often ignored — and understood how important this hub of social services, child care and physical fitness was to the community…