Chief U.S. negotiator for the original NAFTA agreement, Carla A. Hills, says the president's threat of 35 per cent tariffs on Canadian goods on Aug. 1 is 'like shooting your sibling in the heart.' Prime Minister's Council on Canada-U.S. Relations member Arlene Dickinson argues the threat isn't a surprise, and that there's likely to be some level of tariffs even if a deal is reached. Plus, our political insiders discuss whether it's time to panic, or if the U.S. president's repeated reversals and the White House's clarification that CUSMA-compliant goods will still be exempt takes the sting out of the threat.