Tonight on Amanpour and Company: John Brennan, Former CIA Director / Author, Undaunted; Report: Human Smuggling Into America, with Correspondent Matt Rivers; Laurie Woolever, Co-author, World Travel: An Irreverent Guide. Hari Sreenivasan interviews Brian Castrucci, President & CEO, de Beaumont Foundation & Frank Luntz, Political pollster and strategist.