U.S. Commerce Secretary is likely to impose a new sugar trade deal with Mexico even if final revisions to it fail to win support from the U.S. industry. After announcing a deal this week that would dramatically cut the amount of refined sugar that Mexico ships to the US, officials from the two countries are working with their industries on final language that would govern its operation. At issue is a new right of first refusal granted to Mexico to supply all U.S. sugar needs not met by domestic suppliers or other foreign quota holders.