Trump's Visit to Puerto Rico

President Donald Trump tosses paper towels into a crowd as he hands out supplies at Calvary Chapel, Tuesday, Oct. 3, 2017, in Guaynabo, Puerto Rico. Trump is in Puerto Rico to survey hurricane damage.

David Graham, staff writer at The Atlantic, and Annie Karni, White House reporter for POLITICO, discuss President Trump's visit to Puerto Rico and Jim Mattis, Secretary of Defense, coming out in support of the Iran Nuclear Deal.