President Trump’s announcement of 25 percent tariffs on cars and parts sent shock waves through the global auto industry. Canada said it would respond with tariffs of its own.

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HKS Professor Joe Aldy on the future of renewable power, the tension between federal and state policymakers, and the ...

Log-in to bookmark & organize content - it's free! Princeton University history and public affairs professor Julian Zelizer talked about the assassination of President John Kennedy, the event that led ...