PERHAPS GEORGE BUSH SHOULD HAVE KNOWN BETter than to think a brief stop in Panama on his way to an uncomfortable appearance at the U.N. Conference on Environment and Development in Rio de Janeiro would remind Americans of the foreign policy successes that have otherwise marked his Administration. Panama City is notoriously prone to ugly street demonstrations, and on the eve of Bush's hastily arranged visit, an American G.I. was killed and another wounded in a drive-by shooting. -
Panama was, it turned out, the wrong place to look for some upbeat coverage. As a rally for Bush -- dubbed "A...