The Supreme Court hearing a case brought by a Vernon Hills company challenging President Trump’s tariffs

The U.S. Supreme Court is hearing arguments over President Donald Trump’s tariffs, a key part of his economic and foreign policy. The case involves the tariffs first announced in April on almost all U.S. trading partners and the ones from February on imports from Canada, China and Mexico. Trump justified them by declaring national emergencies. However, lower courts have ruled that he doesn’t have unlimited power to set tariffs, as the Constitution grants this power to Congress. The case now arrives before the conservative-led Supreme Court. Tariffs have generated significant revenue but account for less than 4% of federal income.  The case was brought by a family-owned business in Vernon Hills.  Learning resources argues  the tariffs are beyond the  1977 law that allows a president to regulate international commerce as an emergency response.