Australia’s revolutionary passports have been given the Wako treatment in Japan. No, that’s not a spelling mistake (it’s pronounced Wah-Koh, not whacko), nor does it mean Down Under travel documents are being held up to ridicule. In fact, Wako University, a tertiary institution located in the outer Tokyo suburb of Machida, typically uses posters hung up in the carriages of capital area trains to provide a short lesson for commuters. The university’s current poster focuses on how Australia now deals with the issue of gender when it comes to issuing passports. The distinctive yellow posters, effectively an advertisement for the…