Isn't it the worst when you just can't find a pair of jeans that fit right? Well, according to a new survey that's exactly what men and women of Mexico are going through -- all the time. Women's Wear Daily reports shoppers in Mexico have been complaining of sizing issues with clothing for years, generally stating the clothes are never big or long enough for the population. This problem also has Mexican retailers losing out on an estimated $4 billion dollars because of the high rate of returned...