With tensions rising in the Middle East, what role can the U.S. play?

Tensions are heightened in the Middle East after the death of a Hezbollah commander in Lebanon and a Hamas political leader in Iran. Both countries are blaming Israel for the attack. Concerns abound globally that an all-out war could occur in the region soon. The U.S. is among those nations concerned.

Here & Now's security analyst Jim Walsh is a senior research associate at the Massachusetts Institute of Technology's security studies program. He joins Scott Tong for more on the influence of the U.S. in the region and what role it could play.

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