USTR Greer Says President Trump Intended For USMCA To Create More Balanced Trade With Canada And Mexico, That Has Not Happened; There Are Valuable Components To USMCA, We May Need Separate Protocols With Mexico And Canada; We Want To Resolve As Many Issues In USMCA Before July 1, Negotiations Could Continue After July 1; We Are Probably Not Going To Resolve All USMCA Issues By July 1