Middle East analyst knocks fragile Israel-Iran ceasefire

Israel and Iran entered a fragile ceasefire as President Trump called both countries out for violating it. Now, the conflict is taking center stage at the NATO summit. NBC News' Keir Simmons reports the latest updates. Former Commander of the U.S. Army Europe Retired Lt. Gen. Mark Hertling and Senior Fellow at the Carnegie Endowment for International Peace Aaron David Miller join Katy Tur to provide their insights.