With Israel sending airstrikes on Lebanon and deflecting missiles from Iran, the war has become what experts feared: a regional conflict. How much more will the fighting spread?

Guest: Shane Harris, intelligence and national security reporter for the Washington Post.

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Podcast production by Elena Schwartz, Paige Osburn, Anna Phillips, Madeline Ducharme and Rob Gunther.

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What Next - Experts Feared a Wider War. It's Finally Here