This week, the Fed holds rate steady, anticipating greater uncertainty and higher prices amid the war in Iran. And AI is advancing fast, but real-world limits mean it may transform industries more gradually and less dramatically than many expect today. Plus, are US tariffs on Canada causing long-term economic harm, or are they resetting the relationship between two closely linked economies? Later, efforts to limit teen social media use are gaining momentum worldwide, but uneven enforcement is raising questions about their real impact.