Mary Lou Retton’s Daughters Said Goodbye to Her During Life-Threatening Hospitalization

Mary Lou Retton is a fighter. The Olympic-winning gymnast and her daughter, Shayla Schrepfer, sit down with 'Today's' Hoda Kotb to talk about her battle with a life-threatening, rare form of pneumonia for the first time, which lead to her hospitalization in October. Mary Lou says they almost put her on life-support and she's just 'grateful' to be alive.