How unbreakable is Iran's regime? Tehran defiant despite deepening hardship for citizens

Iran's economy may be teetering on the brink of collapse, but does that really threaten its regime? Monday's flare-up of hostilities across the Strait of Hormuz makes clear that oil's not about to start flowing freely again. Tehran and Washington are both signalling they can bear the pain of lost revenue and inflation, with Iran arguably taking that brinkmanship further.