Francois Battiste as Walter Lee, right, with his son Toussaint Battiste as Travis, in a revival of Lorraine Hansberry’s “A Raisin in the Sun,” at the Public Theater in New York, on Sept. 29, 2022. Battiste has no difficulty filling the additional space created by Robert O’Hara’s interpretation of the role, our critic writes. (Sara Krulwich/The New York Times).