Former Democratic Rep. Beto O'Rourke, who is considering a 2020 presidential run, said he would take down existing border barriers if he were commander-in-chief. Business Insider reports O'Rourke came..
Samantha Vinograd is a CNN national security analyst. She served on President Obama's National Security Council from 2009-2013 and at the Treasury Department under President George W. Bush. Follow her..