Black Panther made him a megastar, but in private the actor and his wife Simone Ledward Boseman were dealing with his terminal cancer diagnosis. In a rare interview, she talks about the shock of losing him, and how a revival of one of his plays has helped her heal Simone Ledward Boseman is reflecting on the five years that have passed since the death of her husband, actor and writer Chadwick Boseman. "The edges of gr…