Puerto Vallarta is Mexico's most popular gay destination, bar none. The seaside getaway on the country's west coast is a magnet for gay tourists from all over North America, but especially those on the west coast of the US, since most cities are a quick flight away. The city's gay evolution began just over 20 years ago. That's when Paco Ruiz opened his namesake gay nightclub, Club Paco Paco. At the time, there was only one other gay bar in town. Despite being arrested three times, Ruiz refused to be intimidated by the police harassment. Eventually the media attention and public sympathy that followed created a friendlier environment for his and other gay businesses. Today Puerto Vallarta has about 20 gay bars an...