John Barros, who worked to increase affordable housing in Roxbury and Dorchester as head of the Dudley Street Neighborhood Initiative, released an affordable-housing plan that includes a transfer tax on property transactions to fund more housing, reducing regulatory requirements on construction of affordable-housing units, turning over more city land for building affordable units, increasing the number of affordable units developers have to include in their market-rate projects and working towards greater investment in the city's public-housing complexes. Read more.