NEW YORK - French-Italian tenor Roberto Alagna says he feels reborn. At age 50, he has a new girlfriend and a new baby on the way. Exhilarated to be in New York, he told AFP that opera saved his life. “I feel it in my voice,” he confided in an interview at the Metropolitan Opera House, with his pregnant girlfriend, 36-year-old Polish soprano Aleksandra Kurzak, sitting in the corner. “Everyone’s telling me that. There’s a magic of happiness.