By Marcy Nicholson -CP-British Columbians should rethink trips to the United States and purchases of American products, as the province establishes a task force to respond to U.S. President Donald Trump’s threatened tariffs, Premier David Eby said. Trump’s proposed 25 per cent tariffs on Canadian exports would be a “deliberate economic attack” on B.C. families and people should think carefully about spending money in a country that wants to do them economic harm, Eby said during a news conference in Vancouver on Tuesday. Metal cranes and piles of sea containers at the busy Port of Vancouver could be seen in the background where he spoke at the Vancouver cabinet offices. “It feels very strange to say but I really do think that for Canadians right now, when you’re planning your…