I guess the whole let’s-walk-around-town-with-a-small-dog thing is a bit passé. But an iguana as a replacement – really? In short, yes. Really. This is the twenty-first century. No judgement here. I mean one minute you’re walking down Haight St. browsing Wasteland (where I scored a vintage Versace blazer, just FYI), the next minute you’re practically confronted …