David Suzuki, the godfather of the Canadian environmental movement, warned over the weekend that if politicians don’t act to reverse climate change, there could be attacks against oil and gas infrastructure. “This is what we’re come to. The next stage after this, there are going to be pipelines blown up if our leaders don’t pay attention to what’s going on.” “The violence is coming from the authorities, from government, from the RCMP,” said Suzuki. “They’re declaring war against those that are protesting.” It wouldn’t be unprecedented. In Alberta, in the 1990s, Wiebo Ludwig, who died in 2012, engaged in a...