Air Force Gen. John Hyten, commander of the U.S. Strategic Command, told a security conference in Nova Scotia that he would refuse to obey an "illegal" order from Donald Trump to launch nuclear weapons. Asked if he has given much thought to how he would handle a nuclear strike order from President Trump that he thinks is unlawful, Hyten, who oversees the U.S. nuclear arsenal, answered, "I think some people think we're stupid. We're not stupid people. We think about these things a lot. When you have this responsibility, how do you not think about it?" "I provide advice to...