Canadian Press: The new U.S. ambassador to Canada says Alberta’s oilsands needs to strike a balance between meeting energy needs and protecting the environment. David Jacobson, who was sworn in two weeks ago, got a first-hand look at the oilsands this week as part of his effort to focus on four priorities: trade, energy, the environment and foreign policy. “I think it’s very important to acknowledge that Canada is and will continue to be a pillar in the energy security of the United States and …