back with us is matthew graham, thanks for joining us.have been hearing calls for article 5 of nato to be invoked. hillary clinton said she has been calling for nato to be modernized. article 5 is the collective defense, one country being attacked calls for collective defense of all countries to assist. what are your thoughts on the modernization of nato and how that could prevent this type of attack. we don't even know who the perpetrator was. >> we don't know who he was directly but we know indirectly what he believed in. the idea that if we can have a war on drugs it seems simple we could have a war on terror and make a declaration of war whether as a standalone united states or as part of nato and that gives us the ability to attack the core of what is going on, go after the money, material their leadership regardless what role they play if you have a hand in this. >> many of us who serve in the military serving the global war on terror, you are calling for this to be declared, war to be declared by congress. >> absolutely, we have a

when you trust chris matthews more than the continues something has gone terribly, terribly wrong in america. >> unbelievable. michael graham great analysis. >>> we also have mayor rudy giuliani, former mayor of new york city. he's going to be on defending his comments he made on "face the nation." >> that's right. about black lives matter. rudy giuliani. this just got interesting. why pause to take a pill? or stop to find a bathroom? cialis for daily use is approved to treat both erectile dysfunction and the urinary symptoms of bph, like needing to go frequently, day or night. tell your doctor about all your medical conditions and medicines, and ask if your heart is healthy enough for sex do not take cialis if you take nitrates for chest pain, or adempas for pulmonary hypertension, as it may cause an unsafe drop in blood pressure. do not drink alcohol in excess. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, get medical help right away for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or any symptoms of