As the Iran war continues into its 4th week, the effective closure of the Strait of Hormuz has heightened pressure on the US and major energy importers. Iran has threatened to attack Middle Eastern infrastructure if President Trump acts on his vow to "obliterate" Tehran's power plants unless the waterway swiftly reopens. Rachel Ziemba founder of Ziemba Insights spoke to Bloomberg's Horizons Middle East and Africa anchor Joumanna Bercetche on oil prices being higher as the conflict continues.