In April, I wrote a post praising "abundance liberalism" (despite some reservations about it) and urging an alliance between abundance liberals and libertarians. Matt Yglesias - one of the most prominent abundance liberal political commentators - has written an insightful piece responding to mine. He supports the idea of an alliance and notes other points of agreement, but also makes various criticisms of libertarianism.
First - and most important - Yglesias endorses the proposal for alliance:
