President Joe Biden has vowed the U.S. will respond to the weekend drone attack of three U.S. troops in Jordan, but what will that look like exactly? And, does this mean the country is at war with Iran — or at the very least, an Iran-backed militia group? Pentagon reporter Lara Seligman walks Playbook co-author Ryan Lizza through the details.

Playbook co-author Ryan Lizza interviews Pentagon reporter Lara Seligman.