The proposed trade agreement with Canada and Mexico, called the United States-Mexico-Canada Agreement (USMCA), moved a step closer last week after it was approved on a bipartisan vote by the U.S. Senate Finance Committee. 

The committee’s chairman, Iowa Sen. Charles Grassley, predicted a quick passage of the trade deal by the entire Senate, unless the process is delayed by impeachment proceedings. “I expect the USMCA will receive...