Not long ago, seventeen-year-old Carley Allison had it all. She was on the edge of fame as a singer and composer. She was reaching for the highest levels as a competitive skater. She had a brand-new boyfriend and a golden future waiting after graduation. Her world came crashing down when she was diagnosed with a rare kind of cancer in her trachea. Her case, doctors said, was one in 3.5 billion. Faced with an uncertain new future, Carley did what she...