In this episode of "Person to Person with Norah O'Donnell," O'Donnell sits down with sports broadcasting legend Jim Nantz about his final year covering the NCAA men's basketball tournament, the story behind his signature line "hello friends," and what to expect at this year's Masters Tournament.

In this episode of "Person to Person with Norah O'Donnell," O'Donnell talks with Olympic gold medalist Mikaela Shiffrin about breaking world records, managing grief after the sudden loss of her father, and inspiring the next generation of skiers.