Meet Leah the Overcomer, a young girl who is inspiring the world
Leah Carroll has a rare blood disorder and she spends most of her time at a hospital. To distract the four-year-old from boredom and pain, her mother looked for songs that Leah could lip-synch to. That's how the video of her singing "Overcomer" became an internet sensation. Mireya Villarreal reports.