Adrianne Haslet-Davis: I want people to know it's OK to not be OK

Professional dancer Adrianne Haslet-Davis lost her lower left leg in the Boston Marathon bombing. Days after the attack, she vowed to dance again and she even promised Anderson a dance lesson. She achieved both goals and the highs and lows of her journey are captured in the CNN Special Report: The Survivor Diaires. Adrianne tells Anderson it is a really honest look at what it's like to go to hell and back.