The times they are a-changin’… yes, even for Las Vegas. In fact, the Chairman of Hard Rock International recently said he believes the entire Vegas business model will need to be altered post-Coronavirus. During his interview with Fox Business, Jim Allen said that he believes visitors will come back to Las Vegas in the long term. And by “long term he means when there is some type of cure or vaccine. Then, he said, “people will slowly graduate back into wanting to come out.” Mr. Allen believes “that the business model of the casino floor in Las Vegas is going…