This week, Basic Black discusses legendary playwright Lorraine Hansberry, who wrote 'A Raisin in the Sun.' Panelists: Lisa Simmons, director of the Roxbury International Film Festival; Tracy Heather Strain, producer of 'Sighted Eyes/Feeling Heart,' a documentary about Hansberry; Kim McLarin, associate professor at Emerson College; and Michael Jeffries, associate professor at Wellesley College.