Harry Shum Jr.'s mom has a doctor in the family with his 'Grey's Anatomy' role

ABC News' Mona Kosar Abdi spoke to Harry Shum Jr. about his new role on "Grey's Anatomy" and how changes in Hollywood representation for Asian Americans culminated in this year's Oscars. ABC News Live Prime, Weekdays at 7EST & 9EST WATCH the ABC News Live Stream Here:    • LIVE: Latest News Headlines and Events l A...   SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK   / abcnews   FOLLOW ABC News on TWITTER:   / abc   #ABCNLPrime #GreysAnatomy #HarryShumJr #AsianAmericans