The biggest opera house in the United States concluded its performance on time last night, at 11:15 p.m. Many of the nearly 4,000 people in attendance at the Met lingered in their seats for a bit, the better to praise the cast, orchestra and conductor—as well as to see if Philip Glass would take a curtain call. A number would have heard that the composer of Satyagraha, an opera about the life (sorta) and philosophical lineage (more consequentially) of Gandhi, was meant to have already spoken, at 10:30 p.m., to the Occupy Lincoln Center group just outside. When Glass did at last appear on stage, he was met with a [...]