Manolo says, here is the Manolo’s latest column for the Express of the Washington Post. Dear Manolo, Can you please help me? I’m having a hard time deciding on my Halloween costume this year. It’s come down to a choice between Morticia Addams (with a very short skirt), a Sexy Librarian, or Sarah Palin. Which do you think would be the best? What sort of shoes should I wear with it? Emmy Manolo says, the Manolo remembers when the Halloween was a holiday for only the little kids, who dressed up like the balleina, or the cowboy, or the Superman,…