There’s been a lot of talk about closures in Las Vegas recently. The Tropicana, the Mirage, and now Caesars poker room. Not all of these closures are bad, as a new baseball stadium and resort will go up where the Tropicana now stands. And we all know that the Hard Rock will soon rise from the spot where the Mirage volcano has entertained visitors for years. But what’s going on with Caesars and poker? Well, you can blame the temporary closure of the Caesars poker room on slot machines. As much as we love the game of poker, slots are…