Some of Trump's tariffs are illegal.

1) Court Rulings: A U.S. Appeals court has ruled that most of Donald Trump's tariffs are illegal, which aligns with previous decisions from the U.S. International Court of Trade. This ruling challenges the legality of tariffs imposed under the International Emergency Economic Powers Act (IEEPA).

2) Implications: The ruling could significantly impact Trump's trade policies, as it undermines his administration's use of tariffs as a tool for foreign policy. The court's decision allows for a potential appeal to the Supreme Court, which may further clarify the legal standing of these tariffs.

3) Source Corroboration: Multiple reliable sources confirm this ruling, including major news outlets like Reuters, BBC, and The New York Times. They report that the appeals court's decision is a significant blow to Trump's trade strategy and indicates a judicial consensus on the illegality of these tariffs.

4) Future Developments: The Supreme Court may ultimately decide on this matter, which could lead to changes in how tariffs are applied in the future. Until then, the current ruling remains in effect, although it may be subject to further legal challenges.

Overall, the evidence strongly supports the claim that many of Trump's tariffs are illegal based on recent judicial rulings.