Wristband Rainbow

Don't have anything to wear with yellow? Then maybe youlike everyone elseshould buy one of the ubiquitous LiveStrong awareness wristbands, launched by the Lance Armstrong Foundation and Nike last May to raise money for cancer research. The bright yellow, $1 rubber bracelets have become a fashion icon, adorning the wrists of more than 21 million people worldwide, from actress Pamela Anderson to U.S. presidential candidate John Kerry. Numerous other charities are now following suit with wristbands of their ownso many that the number of causes has surpassed the available colors, requiring some shades to do double duty. Green wristbands, for example,...