Putting Trump's Immigration Crackdown in Context

President Donald Trump's move to criminally prosecute migrants crossing the border illegally, and to separate them from their children, aims to end the longstanding practice of releasing immigrants into the country, pending deportation, says CQ immigration reporter Dean DeChiaro. Trump's also boosting enforcement inside the country, but sanctuary city policies are impeding his efforts, explains Ariel Ruiz Soto of the Migration Policy Institute.   Learn more about your ad choices. Visit megaphone.fm/adchoices