They ranged all the way from fishing boat problems to the tragic deaths at the Olympics. At the very time of the Watergate breakin. President Echeverria of Mexico was making his first official visit to Washington for talks with President Nixon and other officials. This visiting President addressed the Congress and his discussions with the President involved narcotics. migrant workers. and the waters of the Colorado River. Early in July. President Nixon announced a huge sale of wheat and feed grains to the U.S.S.R.. and by September the announcement was made by the Peoples Republic of China of buying a huge amount of wheat and airplanes.