As acting DHS chief, McAleenan pushed Trump border policies

Kevin McAleenan is leaving his post as acting secretary of the Department of Homeland Security after six months on the job, President Trump announced Friday. During his short tenure, McAleenan oversaw an agency that has moved to drastically curb entry of asylum seekers into the United States. Zolan Kanno-Youngs, homeland security reporter for The New York Times, joins Megan Thompson to discuss.