Ultimately, a real understanding of history means that we face NOTHING new under the sun.

In a country with millions of people & cars going everywhere, the enemy is going to get a car bomb out there once in a while.

I would consider the principal threats to start with Russia. And it would certainly include any nations that are looking to intimidate nations around their periphery, regional nations nearby them, whether it be with weapons of mass destruction or I would call it unusual, unorthodox means of intimidating them.

Congressman [Mike] Pompeo said he believes the intelligence agencies' claims that Russia hacked the US election.

Ultimately, a real understanding of history means that we face NOTHING new under the sun.

We have the most skillful, firecest, and certainly the most ethical ground forces in the world... I'm not saying we have to commit right now, but certainly don't pull it off the table.

I was struck by the fact that none of the senators, basically, asked General [James] Mattis, "Well, General, how is it that we haven't won?" We haven't won anywhere, 'winning' in the sense of conclusively achieving our political objectives, however you might want to define those objectives.