In the long arc of industrial policy, nations have long used access to their markets as both gift and weapon; Donald Trump's ultimatum to Bombardier — relocate jet production from Canada to the United States or forfeit the American market — is a stark expression of that ancient logic applied to a modern aerospace giant. The demand, directed at the Montreal-based manufacturer whose business jets depend heavily on American customers, reflects the administration's broader conviction that decades of offshored production can and should be reversed through direct government pressure. What unfolds ne