Fireworks explode over the Ottawa River as seen from Gatineau, Que., during Canada Day celebrations on Friday, July 1, 2022. Fireworks displays on July 1 are facing a rethink over what sort of message they send to First Nations communities. The annual tradition is also under pressure on other fronts, as the few minutes of awe they inspire are weighed against their cost, the terror they cause some animals, traffic and overcrowding woes. THE CANADIAN PRESS/Spencer Colby By Nono Shen THE CANADIAN PRESS VANCOUVER- Chief Don Tom of the Tsartlip First Nation on Vancouver Island says he’s been known to “partake” in watching fireworks, as a way to bring families together. But on Canada Day, he wants people to mark the occasion in a different way, perhaps by donating to…