U.S. President Donald Trump threatened to kill NAFTA in a face-to-face meeting with Justin Trudeau, saying “it will be fine” if the trade agreement died. Hours later, Mr. Trudeau acknowledged for the first time that the 23-year-old trade deal between Canada, the United States and Mexico that has fuelled massive export growth could fall apart. Mr. Trump raised the prospect on Wednesday of terminating the North American free-trade agreement… with the U.S. President also hinting he might pursue a separate deal with either Canada or Mexico if the talks implode. In this round of NAFTA talks, the United States is expected to hit Canada and Mexico with tough demands on so-called rules of origin for autos. …Time has also been blocked off for talks on trade remedies, which could include the Chapter 19 dispute-resolution panels Canada and Mexico are fighting to keep against U.S. attempts to scrap them.