Feb. 20, 2018: U.S. intelligence leaders testified before Congress last week, saying non-state actors are utilizing bots to spread fake news and subvert American democracy. But how big is the threat? The Takeaway explores that question, plus a look at Pennsylvania's new voting map; why red wolves are facing extinction in the United States; and a new documentary series on the generation of children born after the Supreme Court's landmark Loving Vs. Virginia decision that made interracial marriage legal.