NORTH KINGSTOWN, R.I. — From the moment the Naval Academy Jump Team unfurled a U.S. flag for the national anthem, to the last impossibly fast, close and loud formation that the mothers of the Blue Angels should probably never see, the R.I. National Guard Air Show on Sunday awed an estimated 50,000 people.One man, leaving early and pushing a stroller, announced to the people still streaming in: "I’m proud to be an American!"Some of the smaller people may have [...]