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

As Americans prepare to celebrate the nation's 242nd birthday, some feel a deeper sense of patriotism. For others, the social issues roiling the country weigh heavy this Independence Day.

Standing in front of Boston's Faneuil Hall on Tuesday, tour guide Cara McIntyre said she takes special pride this time of the year in recounting the courage of American colonists like Samuel Adams, who called for rebellion against the English crown in fie...