The Influence of 'Think Tanks' in US Policy

You may have heard the term "think tank," which usually refers to a policy or research institute where scholars provide insight and advice on political, social or economic issues. Such institutions have been criticized in the past for their outsized influence on U.S. policy formulation. But there's new research showing that, compared to previous administrations, the Trump White House is far less dependent on so-called think tanks. VOA Nadeem Yaqub reports.