John Adams’s groundbreaking work vividly brings to life US President Nixon’s 1972 visit to the People’s Republic of China. Peter Sellars’s Metropolitan Opera production, based on his 1987 world-premiere staging, features choreography by Mark Morris and stars James Maddalena as Nixon, Robert Brubaker as Chairman Mao, Janis Kelly as First Lady Pat Nixon, Russell Braun as Chinese Premier Chou En-lai, and Kathleen Kim as Chiang Ch’ing, Mao’s wife. From the pomp of the public displays to the intimacy...