The United States and Mexico are due to release the text of their trade agreement on Friday, increasing pressure on Canada to join its partners in revamping the North American Free Trade Agreement while Mexico's president-elect said he would insist on a trilateral pact.President-elect Andres Manuel Lopez Obrador said Canadian Prime Minister Justin Trudeau asked him during a Thursday phone call "to intervene and call on the U.S. government to reach an agreement" with Canada. "We agreed to that."But Lopez Obrador, who takes office on Dec. 1 . . .