WATCH: Rep. Devin Nunes’ full questioning of Robert Mueller | Mueller testimony

Rep. Devin Nunes, R-Calif., questioned former special counsel Robert Mueller during his July 24 testimony before the House intelligence committee about what led to the opening of the Russia investigation. Mueller, who led the investigation into Russian interference in the 2016 election and possible ties to President Donald Trump’s campaign, agreed to appear before Congress but warned he would not go beyond what was already documented in his final report, including how the investigation began. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter:   / newshour   Instagram:   / newshour   Snapchat: @pbsnews Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe