Leading off our discussion tonight is Senator Mark Warner, Democrat of Virginia. He's the vice chair of the Senate Intelligence Committee. Senator, thank you very much for joining us tonight.No one in the Senate has better information about what has been happening and why than you do. What is WHAT IS YOUR UNDERSTANDING AS OF NOW, IF YOU HAVE ONE, ABOUT WHY DONALD TRUMP STARTED THIS WAR. WELL, LAWRENCE, FIRST THANK YOU FOR PAYING TRIBUTE TO THE FALLEN HEROES.THERE ARE NOW SIX AMERICAN SOLDIERS WHO HAVE DIED ...