The trade war between the U.S. and Canada is heating up as leaders from both countries trade 25% tariffs and other regulatory threats. 

At the center of the tariff tiff is booze, with Canadian stores stripping shelves of all U.S. alcohol in an act of patriotic solidarity. Brown-Forman, the producer of Jack Daniel’s, said such boycotts will be “worse than a tariff,” when it comes to the impact on the bottom line.