The developers of the Keystone XL pipeline, TC Energy Inc., are seeking $15 billion against the U.S. government in compensation for money already spent developing the canceled pipeline.President Joe Biden killed the pipeline earlier this year, citing climate change, following a 13-year dispute lasting three presidential administrations.According to a Nov. 22 press release, TC Energy filed a claim in one of the largest international trade disputes made against the United States that is being watched by corporations and in government on both sides of the U.S.–Canada border.The Keystone Pipeline, which was still under construction upon its termination, was to bring...