Tenor Alagna saves Met Opera but risks his voice

When Jonas Kaufmann suddenly bowed out of the Metropolitan Opera's production of "Manon Lescaut," Roberto Alagna pulled off the herculean feat of learning the complex score within days. Alagna, France's most famous tenor, has wowed the opera world with his rapid mastery of the Puccini opera but he fears he has put his prized asset at risk -- his voice. The 52-year-old said he spent two weeks working from nine in the morning until nine in the evening to learn the lead male role which he sings opp