Trump maintains 'no collusion' after Russian indictments

On Friday, the Justice Department indicted 13 Russians and three Russian companies, accusing them of meddling in the 2016 U.S. elections. Russia's foreign minister has called the charges “blather” as President Donald Trump maintains there was “no collusion.” Kimberly Marten, a professor of political science at Barnard College and Columbia University, joins Hari Sreenivasan for more.