Tina Turner's name is synonymous with rock and roll, but what you might not know is that she was born as Anna Mae Bullock. Her stage name was given to her by legendary musician Ike Turner, but as we discover in HBO's documentary "Tina," the name was about the only positive aspect of her relationship with him. Colin Ellis and Nam Kiwanuka dig into the documentary and what it uncovers about Turner's life and career, and the power of reclaiming a name.