This NPR Indicator podcast episode examines the geopolitical complexities surrounding the Panama Canal, focusing on President Trump's grievances and the canal's toll structure. The episode details the recent BlackRock investment in Panamanian ports, discusses the canal authority's pricing strategy (based on ship type and size, with recent surcharges due to water scarcity), and highlights a debate over whether the US should pay tolls, especially for military vessels. A proposed alternative auction system for allocating canal slots is presented as a potential solution to address fairness concerns for smaller shipping companies. The episode concludes by noting ongoing negotiations between the US and Panama regarding canal fees and the canal authority's planned dam construction to address water level issues.