Maryland’s Opera AACC will present “Dead Man Walking” this March. For three performances, Jake Heggie and Terrence McNally’s famed work will get a showcase at Anne Arundel Community College with Douglas Brandt Byerly directing and Quinton Folks conducting. The opera stars Mairin Srygley as Sister Helen Prejean and Michael Pistorio as Joseph de Rocher. “Heggie’s interpretation of ‘Dead Man Walking’ {…}