Sin City is always changing… just ask the Tropicana or the Mirage. Now, we have heard whispers of at least two new projects at the Las Vegas Sphere. If these rumors are accurate, then the venue should continue to bring in audiences for the next several months, even without the headlining live entertainment events they have already locked in. You will only read this scoop on our website, and perhaps the website we stole it from, Vital Vegas. We do hope they’re not angry with us. After all, imitation (and curation) is the sincerest form of flattery.And since they have…