CNN: Obama's on a climate tour of Alaska this week.
The Last Frontier state is arguably the best place in the United States to see the now-now-yes-really-now effects of climate change. On the U.S. President's itinerary: melting glaciers, struggling fishermen and the cultural dislocation of Alaska Native villages.
The Arctic is warming at about twice the rate of the rest of the globe, meaning it's an obvious front line in the war on global warming. That Obama is highlighting the clear and present...