Columbia Energy Exchange

President Trump has aggressively used tariffs as an economic tool, but a US Supreme Court decision on Friday struck down his sweeping tariffs, bringing new uncertainty. The court, in a 6-to-3 decision, ruled that the president had exceeded his authority when he imposed tariffs on nearly every US trading partner last year. President Trump moved swiftly to work around the court by imposing levies using other trade powers. On Saturday, Trump said that he would raise the new global tariff rate to 15%, using a provision in a law that allows him to impose an across-the-board tariff. This measure can only be enacted for 150 days unless Congress agrees to extend it. Trump also said he would use the act to investigate other countries' unfair trade practices, which could result in additional tariffs.  What does the Supreme Court ruling mean for the president's ability to wield tariffs for geopolitical pressure? How will this impact US trading partners and existing trade deals? And what about the impact on the energy se