Iran war: US strategic success or diplomatic failure?

Shortly after signing a memorandum of understanding between Iran and the United States, President Donald Trump declared the conflict over, but negotiations continue. Both sides accuse each other of violating the interim peace agreement and have intensified attacks this week. UpFront host Marc Lamont Hill debates with Heino Klinck, former US Deputy Assistant Secretary of Defense for East Asia, on whether the renewed fighting signals an end to the deal and what it means for Trump's legacy.