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.

Host Scott Tong speaks with Here & Now security analyst Jim Walsh, senior research associate at Massachusetts Institute of Technology’s security studies program.