The U.S. has set a hard deadline on the U.S.-Mexico sugar trade talks, backed up by a possible re-imposition of duties on Mexican sugar. Will that be the de facto beginning of NAFTA renegotiations?Yesterday was the deadline for the U.S. and Mexico to come to an agreement on bilateral sweetener trade. It would have superseded a deal reached in December 2014, referred to as the “suspension agreement” because it suspended the antidumping and countervailing duties the U.S. imposed on Mexican sugar. However, over two years of on-gain/off-again negotiations between the two countries have gone nowhere.The most recent talks started in late 2016 with a 4 April 2017 deadline, but that was moved to 1 May due to the change in U.S. administrations and a...