The war in Iran is becoming a broader Mideast conflict. After an Iranian drone strike on the U.S. Embassy in Saudi Arabia, the State Department has ordered nonemergency staff out of U.S. embassies in six Gulf states - and Americans are being told to leave 14 countries. Israel has opened a new front against Hezbollah in Lebanon and President Trump is warning that the fighting could last weeks or longer. NBC News Chief Foreign Correspondent Richard Engel breaks down what this rapid escalation means for the region. Plus, all eyes are on Texas and North Carolina for the first big primary day of the midterms. In Texas, both parties are facing internal showdowns in the fight for Sen. John Cornyn’s seat, with Republicans competing to be the most MAGA-aligned. Meanwhile, Democrats see a rare opening to flip a seat they haven’t won in nearly three decades. NBC News Chief Data Analyst Steve Kornacki breaks down the numbers and the names that matter most before the results start rolling in tonight.

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