[Michael Flynn is] someone who has advocated for a much tighter ties with Russia and had raised some eyebrows in terms of some of the consorting that he did around Washington.

[Michael Flynn] become someone who for a lot of his former colleagues, people like Stanley McChrystal who looked at General Flynn and sort of said, this is not the person I thought I knew.

In the national security establishment, it is somewhat frowned upon for people to take extremely harsh partisan roles in campaigns.

Donald Trump is now at war with Jeff Sessions. He`s now at war with James Comey. He`s at war with Andrew McCabe, and he`s at war with Robert Mueller. He`s attacked all of those people in this New York Times extraordinary interview. And I`ll just remind people that the last time Donald Trump went to war with an establishment, that was the intelligence establishment, he started that back in December 2016 , that did not work out for him well.

[Michael Flynn] has just said that the U.S. Justice system is corrupt.

To get some of the substance of why [Michael] Flynn [is Defense Adviser] is so controversial.

I think we should always listen to Bill Clinton about everything. And so, if that's his view then that should be the rule of law.