Things are looking up for New York City. A summer of post-vaccine fun is in full swing, people are returning to the city, it just got a brand new park, and now one of its most iconic cultural attractions has a brand new hall devoted to all things sparkly. Opening this weekend is the Mignone Hall of Gems and Minerals at the American Natural History Museum on the west side of Central Park. It gives a once outdated corner of the museum a much...