PBS NewsHour Weekend full episode April 7, 2018

On this edition for Saturday, April 7, the Texas National Guard will be deployed to the U.S.-Mexico border, and embattled EPA Administrator Scott Pruitt's security detail has cost taxpayers nearly $3 million. Also, a look at education issues in Oklahoma to Puerto Rico, and Arizona’s probation program is saving money and keeping people out of jail. Hari Sreenivasan anchors from New York.