James Levine's back in the Met pit for 'Cosi'
My fellow opera lovers, our long Metropolitan nightmare is over. After more than two seasons sidelined by illness and injury, James Levine returned to the Met Tuesday to lead Mozart's "Cosi Fan Tutte." So adept and breezy was the performance, it seemed he had been away for no more than a long weekend. The 70-year-old conductor won not one but three standing ovations from an audience of nearly 4,000. The first, lastin…