It doesn't make a lot of sense for us to borrow money from the Chinese to go give to another country for humanitarian aid. We ought to get the Chinese to take care of the people.

The White House was so eager to rid itself of Iraq that it was willing to withdraw rather than lock in arrangements that would preserve our influence and interests.

My experience is that the director of the FBI is particularly important to just how aggressive an investigation will be into an issue. And once you remove James Comey, it creates a vacuum at the top. And the fundamental issue will be whether or not there is support at the highest levels within the FBI to continue to conduct that investigation. That's going to be the question mark.

After every major conflict - World War I, World War II, Korea, Vietnam, the fall of the Soviet Union - what happened was that we ultimately hollowed out the force, largely by doing deep across-the-board cuts.

The fundamental premise is that neither the United States or the international community is going to allow Iran to develop a nuclear weapon.

Iran is isolating itself from the rest of the world.

The terrorism from 9/11 has metastasized. It's metastasized in Iraq and Syria, in Nigeria, in Somalia, in Yemen and in other places in North Africa. We need a very comprehensive strategy to deal with that threat.