Sometimes we get a chance to film thinkers who are truly changing the world, and sociology professor and founder of the Eviction Lab Matthew Desmond is no exception, as he and his team work tirelessly to bring the housing crisis to the forefront of our national debate. Get a quick look at his important Pulitzer and MacArthur-winning work in the first video in our "Walking Together" series for Princeton University: https://vimeo.com/265383724