Who are the most powerful people in American opera? Opera News made a list. “You have the expected, of course: the chiefs of the four biggest opera companies (and eight of largest 10), high-powered agents from IMG and CAMI, the two maestros named James (Levine and Conlon), “The Diva” (Renée), and, naturally, The New York Times (collectively). But there are a few surprises, too.”