Dept. of Homeland Security Secretary Kristi Noem, Senator Amy Klobuchar, Rep. Tony Gonzales, National Economic Council Director Kevin Hassett

This week on Face the Nation, immigration protests in Southern California turn violent as federal authorities ramp up their nationwide effort to round up those who could be in the country illegally. President Trump's mandate to escalate detentions and potentially deportations set the scene for violent protests in Los Angeles this weekend, and he now says he's calling in the National Guard. We speak exclusively with Homeland Security Secretary Kristi Noem.  Texas Republican Congressman Tony Gonzales also joins the broadcast, and we have new CBS News polling on what Americans think of Mr. Trump's immigration and deportation policies. Then, as...