While it can be easy to look at society and see divisions among race, wealth and political views, the author of a new book says that common public spaces like libraries and parks could serve as tools to bring people back together. We talk to the author about social infrastructure that supports civic life. We also hear from someone who teaches basic home improvement classes to new homeowners. And we take a look at the Trump administration's move to lower the number of refugees allowed in the U.S. each year.
