The world population has hit 8 billion people. If you listen to the media, you might think the apocalypse is just around the corner. Marian Tupy, co-author of Superabundance, says more humans on planet Earth is a good thing. Marian and PragerU CEO Marissa Streit discuss the benefits of a growing population. Find out why more people equals more ideas, more innovation, and a better world.