By Jessica Stevens, Youmna Sukkar, Jack Thornton, Rin Velasco and Xinran WangBoston University News Service For years,  the intersection between Massachusetts Avenue and Melnea Cass Boulevard — “Mass. and Cass” for short — has been a refuge to a growing homeless population situated between Boston’s South End and Roxbury neighborhoods and the epicenter of the city’s … Continue reading Reimagining Mass. and Cass