The NewsHour has reported that Russian military intelligence provided financial incentives to the Taliban to kill U.S. troops in Afghanistan -- and that this intelligence was always briefed up to senior U.S. government officials. But the White House say President Trump was unaware of the possible Russian bounty payments. Nick Schifrin talks to Douglas London, who had a 34-year career in the CIA. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders