MEXICO CITY (Reuters) – The leaders of North America did not discuss an ongoing dispute over Mexico’s energy policies during a summit in Mexico City this week, Mexican President Andres Manuel Lopez Obrador said on Thursday. “We did not discuss that,” Lopez Obrador told a news conference, noting that the dispute had its own resolution mechanism under the United States-Mexico-Canada (USMCA) trade agreement. Washington and Ottawa in July launched dispute settlement proceedings under USMCA against Lopez Obrador’s drive to give priority to Mexico’s state-run energy companies, arguing the policy dis…