The pair discuss their experiences on the show, which recently aired its 15,000th episode, and Mathison shares an update on his health three years after having surgery to remove a cancerous tumor. SUBSCRIBE to GMA’s YouTube page: https://bit.ly/2Zq0dU5 SIGN UP to get the daily GMA Wake-Up Newsletter: https://gma.abc/2Vzcd5j VISIT GMA’s […]