Why Billionaires Pay So Little Tax

Jeff Bezos, Michael Bloomberg, Elon Musk and George Soros are household names. They are among the wealthiest people in the United States. But a recent report by ProPublica has found another thing that separates them from regular Americans citizens: They have paid almost nothing in taxes. Why does the U.S. tax system let that happen? Guest: Jonathan Weisman, a congressional correspondent for The New York Times.