A tremendous number of people come to the country legally, but overstay their visas. And there has to be a far stronger mechanism for being able to track down people, have overstayed their visas, to have a responsibility for who they're coming to visit or stay with.

We know that Russia was involved in hacking our democracy. We know that the evidence or information is sufficient to warrant an FBI investigation of this. We are trying to do as much of this as we can in the public eye transparently. Obviously, some of it will have to be done in closed session.

Americans are blessed with great plenty; we are a generous people and we have a moral obligation to assist those who are suffering from poverty, disease, war and famine.

I think Hillary Clinton is right. I think it isn't enough to leave [Bashir] Assad in place, because as long as he is there, there is going to be a recruiting magnet for ISIS.

If giving points to some students to achieve greater diversity is a quota system in violation of the Constitution, how can the awarding of points to the children of a less diverse alumni be upheld?

Whether we kept a certain number of troops there or pulled out completely, if we can't get the Maliki government to include a large segment of its population in its security forces and protection, then the small amount of forces that we would have left there might have slowed this day, but they wouldn't have prevented it altogether.

The new century has brought on its own terrible dangers, which although not reaching the apocalyptic potential of the Cold War, still have the capacity to shake our world.