From cutting off energy shipments to imposing export tariffs, a reality check on the potential options for responding to Trump

Open this photo in gallery: Foreign Affairs Minister Mélanie Joly speaks during a meeting at the State Department in Washington, on Feb. 13, 2024.Mark Schiefelbein/The Associated Press The Prime Minister and Canada's premiers left a meeting Wednesday promising to come up with "retaliatory measures" to respond to U.S. president-elect Donald Trump's threatened tariffs, but they have yet to say what exactly those actions would include. Canada has a number of options, but almost all of them could do further damage to the country's economy or national unity, legal and trade experts warn - and some would likely have little effect…