Why Did Diana Nyad (Dancing With the Stars) Hang Up on Us? [AUDIO]

Diana Nyad, who is 64, became the first person in history to swim from Cuba to the US without using a shark cage. She is staring in season 18 of 'Dancing With the Stars' starting tonight on ABC. But why would she hang up on the Q Morning Show?

Here's the first part of the interview:

And here's her actual goodbye: