We’ve known that Bally’s Casino will be rebranded as the Horseshoe Las Vegas for some time now. In fact, in our last This Week in Gambling show we reported from the Strip, where we showed some of the transition well underway. There was construction removing the Bally’s sign, and the name was already off of the building. Now we know when Caesars believes the transformation will be complete. The company has finally let everyone know that the Horseshoe Las Vegas will officially be up and running in December of this year. So it looks like we get a horseshoe for…