Guest: Bentham Paulos

How energy markets need to change to level the playing field for renewables, how renewables should be valued, and whether wind and solar must "eat their own lunch" by virtue of having a free marginal cost, or whether markets can be adjusted to prevent that. And in the news segment: Shell gives up on the Arctic; the new premier of Alberta does an about-face on fossil fuels; and solar is even cheaper than most energy analysts think (because the data is old).