“The Next America: Boomers, Millennials, and the Looming Generational Showdown,” by Paul Taylor and Pew Research Center, is being released this week in a paperback edition that includes nearly 100 pages of new text, charts and updates to the original 2014 hardcover edition. Here, Paul Taylor shares eight takeaways from the book’s all-new opening chapter, “Political Tribes.”

http://www.pewresearch.org/fact-tank/2016/01/27/the-demographic-trends-shaping-american-politics-in-2016-and-beyond/