Canada's Carney says US needs to start being serious before trade talks can resume

Canada walked away from talks after what it called unacceptable last‑minute U.S. demands; Prime Minister Mark Carney says negotiations can restart only if the U.S. gets serious.
Tensions have escalated publicly — President Trump suggested renaming Lake Ontario, called Canadian leaders "the worst," and posted an AI meme mocking Canada.
Ottawa says any deal must protect Canadian sovereignty and its highly integrated auto sector, rejecting terms that would effectively gut domestic industries.