This is both sad and predictable . . . ‘Clean’ Nagano’s dark, dirty secret: AIDS . . . what do you get when you make certain your city is the cleanest in the country with no sex business or public indecency or the like in a nation where sex businesses are often legal and regulated?  A clean city . . . a clean city with a dirty secret indeed . . . the second highest AIDS numbers in the country . . . what Nagano Governor Yasuo Tanaka proclaimed to be for his prefecture a "life or death crisis."