Dear Manolo, Now that Memorial Day is officially here, I can finally wear white shoes again. Please recommend something casual. By the way, I should mention that I wear a size 12. Antonia Manolo says, have you not heard the news? The ancien régime has been overthrown, and the Jacobins of fashion are busily marching the most honored of traditions straight up to the guillotine. For the example, who today (except for the Manolo’s friend Antonia) cares about the old rule that mandates the wearing of white only between the days of Memorial and Labor? Even the Manolo, who is…