A behind-the-curtains look at the rarefied world of classical ballet from a principal dancer at the New York City Ballet In her charming and self-effacing voice, Jenifer Ringer covers the highs and lows of what it s like to make it to the top in the exclusive, competitive ballet world. From the heart-pounding moments waiting in the wings before a performance to appearing on "Oprah "to discuss weight and body image among dancers, "Dancing Through It...