More Than Meets the Eye

On today's show: Tennis ace James Blake remembers the year he lost his health, his career, and his beloved father, and shares how he got back to playing at the top of his game. Also, a writer discovers that his unassuming Teamster father had a secret enemy: Jimmy Hoffa. And, a globetrotting biologist and single mother describes raising her two boys in rainforests from Peru to Samoa. But first, we'll find out if robots with artificial intelligence are coming soon to a store near you.