PBS News Weekend S06 E26 April 1, 2018

On this edition for Sunday, April 1, President Trump calls tougher immigration laws and says he will not back a deal for DACA. And, despite being attacked over four years of war, a Ukrainian plant crucial to the country's economy manages to keep running. Later, have politicians always considered their opponents “enemies”? Hari Sreenivasan anchors from New York.