Sport: The Scene a /a Mexicono

OLYMPICS fans arriving in Mexico City may have picked the best time ever. True, the balmy days are marred by just a touch of smog and the brisk evenings by a faint drizzle. But the city has never looked better. The preparations, of course, were carried out a la mexicana—with the in evitable, exuberant last-minute scramble to get a job done on time. The citizens proudly feel that it was their test, and they made it. Mexico City, scrubbed, brash, vital, is as bright and gay as a piñata party.

The one ugly cloud...