barbara g. fleishmann. and by our sole corporate sponsor, mutual of america, designing customized, individual and group retirement products. that's why we're your retirement company. ♪ ♪ ♪ >>> coming up, betty rollin reports on doctors performing bloodless surgery on jehovah's witnesses whose religion forbids blood transfusions. many say that is good medicine. >>> also judy valenti looks at the spiritual journey of christian wiman, a poet, teacher, husband, and father who has incurable cancer. >> i have cursed mightily and have been furious, have cursed god just like any old testament prophet. >>> and the jewish holiday of shavuot, celebrating the harvest and the torah, and proclaiming -- >> that you should be really, really, really happy.