This week’s gambling news looks at when we can expect the MSG Sphere Las Vegas to open, and who will headline the opening act! Also, tickets for the Las Vegas Grand Prix are on sale now… and they’re not cheap! Plus, updates on renovation work at New York-New York and Circus Circus resorts. Hello friends, and welcome to This Week in Gambling, where it’s time for an update on what’s happening in Las Vegas right now, including some new information on the Las Vegas Sphere! And that is this week’s big story. Over the past several weeks we’ve given you…