Trump appears to break with 124-year history of concession speeches, experts discuss

[youtube https://www.youtube.com/watch?v=P9244VkInfU?feature=oembed&w=500&h=281]
Concession speeches have been seen as a moment to help unify the country, and every losing presidential candidate has conceded since 1896. ABC News’ Jon Karl and Leah Wright Rigueur talk about why.