Canada’s Prime Minister Mark Carney vows retaliatory tariffs after trade talks with the U.S. collapsed over demands to restrict Canadian sovereignty. Meanwhile, a federal judge blocked the Trump administration’s visa ban for 75 countries, citing illegal nationality discrimination. In international news, intensified Russia-Ukraine fighting killed dozens, including a mall bombing in Ukraine. Additionally, scientists achieved a breakthrough by growing brain organoids for five years, and new federal cuts to Colorado River water supplies were announced for western states.