The world is bracing for Iran's response after the U.S. entered the war by striking three Iranian nuclear facilities over the weekend, with officials telling NBC News the first 48 hours are of particular concern. The Morning Joe panel discusses.

https://www.msnbc.com/morning-joe/watch/trump-views-weekend-strike-as-a-one-off-doesn-t-look-to-escalate-further-jonathan-lemire-242074181609