Roy Green Show

This week, Britain's head of the domestic counter terrorism agency MI5 said the United Kingdom is facing the most severe terror threat ever. How severe is the immediate terror threat in Canada, the United States and other Western nations and where is the threat coming from?   Guest: Lt. Col. Steve Day, former commanding officer of Canada's elite counter terrorism Special Forces unit JTF2(Photo: Thinkstock) Learn more about your ad choices. Visit megaphone.fm/adchoices