Barr echoes Trump's charge of campaign 'spying'
11:41In his second Capitol Hill hearing this week, Attorney General William Barr echoed President Trump's often-repeated charge that his campaign had been spied on during the 2016 election. Under questioning, Barr testified he had no proof of spying, frustrating Democrats. Former US Attorney Berit Berger, NBC News White House Correspondent Geoff Bennett, former FBI Assistant Director for Counterintelligence Frank Figliuzzi, Washington Post National Political Reporter Robert Costa join Brian to discuss.