Bill Maher and Steven Colbert become the first honorees on the GrowthBusters podcast’s “Wall of Excellence.” Plus: Why are millennials having fewer children? Maher celebrates the declining birth rate in the over-developed world because it is the single most effective thing you can do to reduce your carbon footprint. On the other hand, Senator Mike Lee thinks having more babies will solve climate change. Thanks to Steven Colbert for a send-up.
former World Bank senior economist