Five years ago, for the US president to say it's time to move away from fossil fuels sounded like an episode of The West Wing. Not anymore, says Eurasia Group Vice Chairman Gerald Butts. In his view, the climate debate in the West has (finally) moved from who's responsible, to what we're going to do about it — "much more productive ground." Butts admits the enormous inertia in the US political system that'll fight change on climate, but ultimately believes that "when you take the very long view, the direction of travel of has set in."