Las Vegas — ‘Vegas is a totally normal place to live,” the cabbie says as we take in the view of the giant black pyramid with the klieg light shooting out of the top and the miniature Manhattan skyline and the beardy guy who makes his living by dressing up like Zach Galifianakis’s character from The Hangover — complete with strap-on baby carrier and fake baby. The traffic in front of us is a bit snarled up because a couple of trucks are towing mobile billboards down the middle of Las Vegas Boulevard with almost completely naked blondes posing next …