This is a matter of Congress authorizes spending. They order me to spend.

I think it's true that we shouldn't apply a strict litmus test and the most important thing in any judge is their capacity to provide fairness and justice to the American people.

I'm named Barack Hussein Obama. I'm African-­American.

We have to all shoulder the responsibility for keeping the planet habitable, or we're going to suffer the consequences - together.

When we think of the major threats to our national security, the first to come to mind are nuclear proliferation, rogue states and global terrorism. But another kind of threat lurks beyond our shores, one from nature, not humans - an avian flu pandemic.

I think that [having not a lot of time sweating the details] can be both a strength and a weakness. I think it depends on how [Donald Trump] approaches it. If it gives him fresh eyes, then that can be valuable. But it also requires you knowing what you don't know and putting in place people who do have the kinds of experience and background and knowledge that can inform good decision making.

I find it amusing that those who helped to authorize and engineer the biggest foreign policy disaster in our generation are now criticizing me for making sure that we are on the right battlefield and not the wrong battlefield in the war against terrorism.