Garrett M. Graff

As a journalist and historian who has covered the White House and issues related to national intelligence, my guest, Garrett Graff, thinks that some of the conspiracies about the so-called deep state have their roots in conspiracy theories about UFOs. His new book, "UFO: The Inside Story Of The US Government's Search For Alien Life Here - And Out There "begins in the 1940s and is about the history of reported UFO sightings, how the government investigates those sightings, what the military knows and what it keeps secret and how UFO conspiracy theories start and spread.

Trump said he would hire 5,000 new border patrol agents, but has fallen short of that promise. Garrett Graff discusses the leadership vacuum that's plagued the agency and worsened the border crisis.

Journalist Garrett Graff considers Robert Mueller's tenure as FBI director as a way of understanding his approach to the investigation into the Trump campaign and Russian interference in the 2016 election.