The number of migrants arriving in Europe has dropped significantly since 2015, when more than a million people arrived by boat and foot, fleeing conflict in Syria and other countries in the Middle East and Africa. Eva Cossé, a researcher with Human Rights Watch in Athens, joins us to talk about the migrants who are living in and arriving in Greece. And, "Today" host Al Roker joins us to discuss his new memoir, "You Look So Much Better in Person: True Stories of Absurdity and Success."