Mexico needs to pass promised labor reforms to boost the independence of its unions. Its lower house has already passed a bill that its Senate is expected to take up shortly. But passing these reforms likely won’t not be enough to convince Democrats and U.S. labor unions to support the U.S.-Mexico-Canada Agreement on trade. They say they want to see how the new law takes effect. So the timeline for the USMCA deal in the U.S. could be slow.