Informant charged with lying about Biden's ties to Burisma

The special counsel in the Hunter Biden investigation charged a one-time informant with lying about President Biden and his son. Alexander Smirnov is accused of falsely claiming Ukrainian energy firm Burisma paid the Bidens $5 million apiece in 2015 and 2016. Laura Barrón-López breaks down the charges and how they undercut a key part of the House Republican impeachment inquiry into the president.