i will never forget this day. ( ticking ) ( singing "pagliacci" ) >> o'donnell: jonas kaufmann is opera's most dynamic leading man. ( singing "la fanciulla del west" ) >> o'donnell: he likes to say," opera is a competitive sport." >> ( vocal warm-ups ) >> o'donnell: and he keeps his voice as precisely tuned as a porsche at le mans. at the bavarian state opera, we watched kaufmann in his pre-game warm-up, preparing his equipment for a three-hour contest with "aida." ( ticking ) >> i'm lesley stahl. >> i'm bill whitaker. >> i'm anderson cooper. >> i'm sharyn alfonsi. >> i'm jon wertheim. >> i'm norah o'donnell. >> i'm scott pelley. those stories tonight, on "60 minutes." ( ticking ) ♪♪ giorgio, look! the peanut butter box is here. ralph, that's the chewy pharmacy box with our flea and tick meds. it's not peanut butter. ♪ the peanut butter box is here ♪ i'm out. pet prescriptions delivered to your door. chewy. welcome to allstate. pet prescriptions delivered to your door. where you can bundle home and auto insurance. right, frank? i saved 25%. booyah. and now you're relaxing! we're w