VEGAS SCOOP WITH VIVI VICE Your inside source for Sin City's juiciest bites, boldest biz moves, and high-stakes whispers. Las Vegas just served up a piping hot dish of old-school grit and new money glitz—and trust me, it’s al dente perfection. Word on Convention Center Drive is that Piero’s Italian Cuisine, that dimly lit den of veal chops, Vegas legends, and whispered mob tales, is getting a …