Paul Krugman asks, are sanctions on Iranian oil truly effective? His latest piece explains that Iranian oil continues to find its way to market, raising questions about international policy. Discover the full analysis and what it means for the world here: https://paulkrugman.substack.com/p/iranian-oil-still-shipping #IranianOil #GlobalEconomy #ForeignPolicy. Thanks for the insight, Paul Krugman!