Social issues roiling U.S. weigh heavy on Independence Day

Luna Chiarello, 6, helps her mother Silver put American flags out along the road in front of their family business, Robinson's Auto Parts, Tuesday, July 3, 2018 in Orange Mills, Fla., the day before Independence Day. (Will Dickey/The Florida Times-Union via AP)

BOSTON — In these complex times, a simple question about the quintessential American holiday of fireworks, cookouts and parades isn’t always so simple.