'The Book of Mormon's' O'Neill pinches himself

It's just before the end of Act 1 of "The Book of Mormon," and Christopher John O'Neill is singing about Jesus. O'Neill knows the words. He knows he knows the words. The song is "Man Up." His character, the bumbling self-proclaimed sidekick Elder Cunningham, is getting his Mormon game face on. O'Neill is sweating. He's sweating a lot, actually; has he ever sweated so much in his entire life? It's just that it's really hot onstage at the Kennedy Center. The bright lights. The heavy costumes. Ther...