U.S. President Donald Trump has suffered a string of courtroom losses in recent days as he and his administration test the legal limits of presidential powers.

The Trump administration took the fight over tariffs to the U.S. Supreme Court on Wednesday, asking the justices to rule quickly that the president has the power to impose sweeping trade penalties under federal law.

President Trump asked the Supreme Court to quickly made a decision on whether he has the authority to impose his sweeping tariffs under federal emergency law

Prime Minister Mark Carney rolled out a series of measures on Friday that he says will transform Canada’s economy into a force that can withstand the trade shocks of the Trump administration.