By Daniel Kline Caesars and MGM aren’t the only investment options if you want a stake in Sin City and maybe you should look just off the Las Vegas Strip. While the song says that New York is the place where if you can make it there, you can make it anywhere, the reality is that Las Vegas can claim that moniker as well. If you can manage to succeed as a restaurant operator, a retailer, a casino/hotel company, or an entertainment venue in Sin City, it’s pretty likely you can be successful anywhere. That’s because Las Vegas not only attracts the best of the best, it’s a city — well at least the…