"An eminent sociologist--and coauthor, with Aziz Ansari, of the #1 New York Times bestseller Modern Romance--makes the provocative case that the future of democratic societies rests not only on shared values but also on shared "social infrastructure": the libraries, childcare centers, bookstores, coffee shops, pools, and parks that promote crucial, sometimes life-saving connections between people who might otherwise fail to find common cause"-- "The...