Saudi Arabia, Russia and the U.S. agreed to lead a multinational coalition in major oil-production cuts after a drop in demand due to the coronavirus crisis and a Saudi-Russian feud devastated oil prices. The deal, sealed Sunday, came after President Trump intervened to help resolve a Saudi-Mexico standoff that jeopardized the broader pact. As part of the agreement, 23 countries committed to collectively withhold 9.7 million barrels a day of oil from global markets. The deal, designed to address a mounting oil glut resulting…