In cities and towns across Mass. a landmark — and controversial — zoning mandate unfolds

Residents and leaders from around Greater Boston discuss the MBTA Communities Act, which requires cities and towns in the T's service area to allow for more dense housing development. Lexington's Mike Kennealy, Brookline's Paul Warren, Newton's Deb Crossley and Ipswich's Charlotte Kahn, along with Boston Globe reporter Andrew Brinker, join Radio Boston to talk about the approaches from different towns.