"The Folkways of Congress: Legislating Norms in an Era of Conflict" edited by Brian Alexander, is a book that examines the changing norms of Congress over the past five decades, highlighting the decline in civility and bipartisan cooperation, while also noting the continued existence of positive, constructive norms.

Since the start of President Donald Trump's second term, the administration has detained nearly half a million immigrants, according to a new report. But the number of children they leave behind and what happens to them, most of whom are U.S. citizens, is largely unknown. White House correspondent Liz Landers discussed more with Tara Watson of the Brookings Institution.