Sales of Festivus poles grow for 'Seinfeld' holiday By DINESH RAMDE The Associated Press MILWAUKEE -- Kevin Campanella hates buying and receiving Christmas presents that he says inevitably disappoint. This year, no such worries. Campanella plans to seek "serenity now" by celebrating Festivus, a wacky holiday popularized in a 1997 "Seinfeld" episode. Billed as "Festivus for the rest of us," the holiday celebrated by the Costanza clan on Dec. 23 features an airing of grievances and feats of strength in which a guest must pin the host before the party ends. In protest of Christmas' commercialism, character Frank Costanza puts...