same kind of skills and sportsmanship and chatterjee of any other game. andy simply showing displaying sportsmanship, there's players and coaches and fans joined the long line of heroes who made history in this country. and our schoolhouses, department stores, lunch counters, and everywhere else. have been using the same time testing approach that has always move this country forward. they did not stoop to the level of those who thought to -- sought to impress them. just the opposite. they rose up. they combated smallmindedness with dignity, integrity, and excellence. is the well-worn task that so many men and women before us have taken. famous civil rights leaders and ordinary folks who face down dogs and fire hoses with prayer and hope. for dr. king told us, he said darkness cannot drive out darkness, only light can do that. hate cannot drive out hate, only love can do that. graduates, i'm here today to tell you that that approach to life is not just something you should read about in the history books. it is a roadmap for how to live your life everythi

anusuya chatterjee, a health economist and fellow at the milken institute where she has led studies onsity, medical technology and chronic disease prevention. co-author of a recently published book, "the upside of aging. " rk coincides with cnn and others. run of plus.list [applause] mr. terhune a few introductory marks of self disclosure, i checked my phone now incessantly, and everything i know about snapchat comes to my 13-year-old daughter. [laughter] mr. terhune if you do feel the need to be addicted to something online, feel free to be addicted to any of my stories. the experts will endorse that. everything else could be a problem for you. the digital age has brought up a lot of wonders and i think we all know that from our smart phones, computers and laptops. we can connect with somebody across the globe, a grandparent on skype, can order every single thing on mashable with one click. we have apps that manage diabetes. we have seen all of these wonders but we have also seen a dark side, harmful effects on her health, social interactions, things like that, the constant screen tim