(CAMBRIDGE, N.Y.) — In its fourth summer season, Hubbard Hall Opera Theater (HHOT) presents Gaetano Donizetti’s classic comic opera, Don Pasquale, in a new production by Heidi Lauren Duke, reconceived and relocated to the glamorous early Hollywood, Art Deco world of Buster Keaton and Mae West. Performances, running August 12, 13, and 18 at 8…