Obama administration steps up to rein in big business

Aired: 4/7/2016 | 0:06:08 | Clip
The Obama administration has taken steps to rein in big businesses this week: New rules issued by the Treasury Department regarding tax loopholes ended a $160 billion deal between Pfizer and Allergan. Meanwhile, the Justice Department has filed an antitrust suit against a proposed oil giant merger, and more may follow. Gwen Ifill talks to Jim Tankersley of The Washington Post for more.