U. S. LEADS IN OLYMPICSCT^v TV|i$ IOLYMPIC STADIUM, Colombo;. France, July 8—Making a clean sweep 5(of the first three places in the shot 'jput and sending the Stars and Stripes up three stadium masts for the first time, the United States today swept 1 into a commanding lead for the Olympic track and field championships. The 21 pointy gained in this event ran ~.the total for America up to 28. or I nearly double Finland’s total of 54 who are in second place.