MINNEAPOLIS -- The boldly colored silk-screen poster beside him proclaims the words of Brazilian Archbishop Dom Helder Camara: "When I give food to the poor, they call me a saint. When I ask why the poor have no food, they call me a communist."
Ricardo Levins Morales, the artist, is manager and cofounder of the 14-year-old Northland Poster Collective, one of the country's nerve centers for art dedicated to social justice. Malcolm X, Anne Frank, Mother Jones, Woody Guthrie, ...