Update at 9:40 a.m. — The Saturday County Board meeting is underway and 248 people are signed up to speak about Missing Middle. The Board expects to hear speakers today and during its Tuesday meeting before deliberating and potentially voting on Wednesday, according to County Board Chair Christian Dorsey. The Wednesday meeting will start at 4 p.m.
Earlier: The Arlington County Board is set to vote Saturday on zoning changes intended to add housing by allowing greater density in single-family neighborhoods.