Let's get right to MSNBC justice and intelligence reporter Kendallian who broke this news and MSNBC senior legal reporter Lisa Rubin. Ken, we had known there was this investigation into Brennan for a while. What more do we know about these grand jury subpoenas.>> Good morning, Anna. And I should say this goes far beyond uh John Brennan. It's an investigation into the uh intelligence assessment of Russian election interference back in 2016 in which John Brennan played a key role.And it's also an investigatio ...