The challenges posed by threats like terrorism, proliferation, and cyber attacks are not going away any time soon, and for our intelligence community to be effective over the long haul, we must maintain the trust of the American people and people around the world.

I think we all know that world owes an enormous debt to Greece and the Greek people.

When times change, so must we.

I do make sure that I've got people who are experts that are helping me make the best decisions possible.

Independent economists say immigration reform will grow our economy and shrink our deficits by almost $1 trillion in the next two decades. And for good reason: when people come here to fulfill their dreams - to study, invent, and contribute to our culture - they make our country a more attractive place for businesses to locate and create jobs for everyone. So let's get immigration reform done this year.

We can seize this future together because we are not as divided as our politics suggests.

Of course, there is no question that Libya - and the world - will be better off with Gaddafi out of power. I, along with many other world leaders, have embraced that goal, and will actively pursue it through non-military means. But broadening our military mission to include regime change would be a mistake.