Today we welcome a guest post from Lee Bernstein, author of America Is the Prison: Arts and Politics in Prison in the 1970s (forthcoming June 2010). In his book, Bernstein explores the forces that sparked a dramatic "prison art renaissance" in the 1970s, when incarcerated people produced powerful works of writing, performance, and visual art. One of the important figures in Bernstein's analysis is Miguel Piñero, whom Bernstein introduces to us here on the occasion of his birthday.--ellen Saturday would have been Miguel Piñero’s sixty-third birthday. Born in Puerto Rico in 1946, by the end of...