 Millions of Americans have been celebrating Independence Day despite the heat warnings. A projected record number of travelers and so many beachgoers, officials had to close some parks to latecomers. In Connecticut, they were turning away people from beaches along a two-mile stretch of public shoreline because parking was filled to capacity. In Philadelphia, can you imagine? Revolutionary war reenactors with heavy wool costumes from the period, even with temperatures tipping into the 90s.