By Beth U. A trumpet blares as a sequined figure bends at the waist and stomps.  He swoops low enough that his fake grey beard dusts the street.  Behind him, a sea of fur-trimmed hats bob to the live brass band.  Pink masked faces stare back at the crowd with blank eyes. Richly embroidered costumes of orange, blue, pink, yellow and gold pass by as silver-skinned Aztec warriors prance in a cloud of feathers.  It's Carnaval de Puebla en Filadelfia.  Spectators pour from row...