Past instances of separating families in the United States
Some have called the Trump administration's policy of separating children from their parents who try to enter the U.S. unprecedented or un-American. However, there are multiple examples of U.S. authorities breaking up families for a variety of reasons. Kenneth Davis, author of the "Don't Know Much About" history book series, joins CBSN to discuss those events and how they resemble what's been happening at the U.S.-Mexico border.