If you're a newcomer, there are two things you should know about Portland: 1) We love a lot of sex all the time, and 2) we're very nosy about all the sex other people are having. And that's why the Mercury's annual SEX SURVEY (presented by our friends at Lumera) is Portland's most beloved questionnaire! (Note to other people doing surveys, particularly those super-negative, Portland-hating ones commissioned by spoiled, rich, downtown business owners: You're no...