Your morning briefing. All the news you need to start your day.

On today's podcast:

(1) The US has issued its second authorization for buyers to take Russian oil cargoes already at sea, widening a temporary waiver given last week to India alone in an effort to ease pressure on prices as the war in the Middle East continues.

(2) Brent oil traded near $100 a barrel following one of the most volatile trading weeks ever, with investors bracing for more upheaval as Iran pledged to keep the Strait of Hormuz effectively shut.

(3) The number of Iranian missile launchers has held steady after a week of unrelenting airstrikes, according to Israeli and western estimates, indicating the difficulty of finding small, mobile targets without having complete control of the skies.

(4) A KC-135 refueling plane that was part of the American military campaign against Iran crashed over western Iraq after an incident involving another plane, US Central Command said Thursday night.

(5) The basic assumptions that have underpinned hedging strategies for decades are coming undone by the escalating war in Iran.

Podcast Conversation: America’s Decade-Long AI War Efforts Get a Trial by Fire in Iran