President Donald Trump is convening the first Cabinet meeting since Markwayne Mullin was confirmed as DHS secretary. But it's also the first confab since Trump launched a military operation against Iran — a topic that is sure to dominate much of the conversation. And the headlines swirling around aren't friendly for Trump: gas prices are still surging and polling shows sinking public support. Playbook's Jack Blanchard and White House reporter Megan Messerly discuss the stakes surrounding the Iran operation.