Counterintelligence is, in effect, chasing ghosts, which is why the tools used to investigate foreign intelligence activity are secret, like human sources or electronic surveillance.

Like any country with sophisticated intelligence services, Russia has long been a careful student of U.S. freedoms, laws and the constraints of its main nemesis in the U.S., the FBI.

As a former FBI counterintelligence agent who investigated foreign propaganda cases, I’ve seen firsthand how foreign intelligence services leverage American freedoms - and the constitutional limitations on the FBI’s investigative power - to their advantage."

Exposing the activities of a foreign intelligence service renders them ineffective, since it removes plausible deniability, which is the hallmark of covert intelligence operations.

I want to know what it is to build the foundation of the friendship for real, to have my best friend and not because we're just intimate, but because we're mentally intimate. So I'm waiting for that person to come into my life.

An artist could have a really big relationship, and then they break up, and any song after that, people are automatically going to assume that that song is about that person.

Vikings' has been a great experience. You get so many great friends. And I love Ireland and the people and crew. It's a beautiful place.

What is so refreshing playing with Neil Finn and all his friends is these people think exactly the same - regular people doing their thing and separating the music from the business.