The Supreme Court ruled that President Donald Trump violated federal law when he unilaterally imposed sweeping tariffs across the globe, a striking loss for the White House on an issue that has been central to the president's foreign policy and economic agenda. CNN's chief Supreme Court analyst Joan Biskupic breaks down how Chief Justice John Roberts, who wrote the majority opinion, explained the decision in court. Read more: https://cnn.it/4asrU2d | CNN

Everyone’s panicking about tariffs, trade wars, and diplomatic noise. I don’t care about noise, I care about the signal. The signal is clear. The United States and Canada are on a path to combine economic power because that’s the only way to remain dominant globally. China’s goal is to become the world’s largest economy, and they’ll use tariffs and negotiation tactics to get there. But the long game is a North American alliance that can outspend and outpower any competitor. I ignored Canada for