Editor's note: In the face of the monstrous challenge of global warming, a futility narrative has taken root: “For decades we’ve done nothing to address this problem, and there’s no way to stop it now.” We’ve gathered three sage strategists to convince you that both parts of that statement are dead wrong. Read Tom Peterson's take here. Read Thomas C. Heller's take here. 2763 In 2008 Al Gore made a John F. Kennedy-style proclamation that it was possible to achieve 100 percent renewable energy in just 10 years—all we needed was the willpower. Since that speech, prices for wind and solar power have dropped by more than 50 percent. Big data has unlocked energy efficiency and made it possible to integrate various forms of renewable electricity without the predicted rolling blackouts. And numerous analyses of the feasibility of moving to clean energy have been undertaken by the National Renewable Energy Laboratory, the...