(Archived document, may contain errors) I 660 July 5,19 88 I n MOSCOW'S INTRODUCTION COURTSHIP OF .MEXICO I An agreement in principle for an exchange of visits between Soviet General Secretary Mikhail Gorbachev and Mexican President.Migue1 de la Madrid probably after the July 1988 Mexican elections accentuates the growing relationship between the two countries Moscow's ties with Mexico have become closer than those.withmy.othennation. imtheb I.