By David Shepardson and Nora Eckert WASHINGTON/DETROIT (Reuters) -Michigan Governor Gretchen Whitmer warned on Wednesday that potential 25% tariffs on imports from Mexico and Canada suggested by President-elect Donald Trump could harm the U.

Gov. Gretchen Whitmer addressed the Detroit Auto Show, saying that tariffs should not be used “to punish our closest trading partners,” like Canada.

"I calmly explained that I wasn’t obligated to share just because we're related, especially given how they’ve treated me in the past." Puerto Rico’s new Republican governor is drawing attention to Venezuelan strongman Nicolás Maduro’s military threats against the U.