The Hope Diamond long has been the star of the nation’s foremost museum collection. But for many of us, it’s been outshone by a recent acquisition, one that could be called the Hope Suit. — July 12 is the birthday of Rep. Andy Kim, a moderate Democrat from New Jersey. You may not know much about Kim. You may only know the famous image of Kim. It’s the one of the congressman cleaning up the mess left by violent rioters who attacked police officers while…