Kevin Breuninger reports a major blow to presidential power as the Supreme Court strikes down Trump's tariffs, marking a significant loss for the president's unilateral trade agenda. This ruling reshapes the landscape of executive authority in trade policy. Watch Kevin Breuninger's full briefing for more insights. https://www.cnbc.com/2026/02/20/trump-supreme-court-tariffs-white-house.html #SupremeCourt #Tariffs #TradePolicy #PresidentialPower