In this second item in the series, we look at an article that explains how New York City has a housing problem. At the time of writing, it had 1.8 million one- and two-person households, and only one million studios and one-bedroom apartments. The obvious solution seemed to be to develop more small residential units. But how small is too small? Should couples be allowed to move into a space the size of a suburban closet? Can a parent and child share a place as big as a hotel room? Read the article