BREAKING: Patrick Shanahan withdraws from consideration for Defense Secretary

Why Trump should focus on climate change if he wants to stop migrants

06:54

As President Trump touts his new deal with Mexico that he wants to use to stop the flow of migrants, two time Pulitzer Prize winning journalist Nick Kristof and Arizona State University 2019 graduate Mia Armstrong join Stephanie Ruhle to explain why the president should focus on climate change if he really wants to stop migrants.