Trump Defends Immigration Deal With Mexico

President Trump and his allies on Sunday declared victory in the tariffs standoff with Mexico after the administration appeared to have secured significant commitments from the Mexican government to stem the flow of Central American migrants at the U.S. border.

The agreement gave Trump fresh ammunition against his critics, who have pointed out that his controversial negotiating tactics have yielded far fewer results than promised on multiple issues during his time in office.

Whether the deal will greatly reduce the number of migrants entering the United States remains to be...