We've protected thousands of people in Libya; we have not seen a single U.S. casualty; there's no risks of additional escalation. This operation is limited in time and in scope.

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.

Like no other illness, AIDS tests our ability to put ourselves in someone else's shoes - to empathize with the plight of our fellow man. While most would agree that the AIDS orphan or the transfusion victim or the wronged wife contracted the disease through no fault of their own, it has too often been easy for some to point to the unfaithful husband or the promiscuous youth or the gay man and say This is your fault. You have sinned. I don't think that's a satisfactory response. My faith reminds me that we all are sinners.

These days, the House Republicans actually give John Boehner a harder time than they give me. Which means orange really is the new black.

What makes [cyber security] difficult is because it's not just a government problem. It is a private sector and government problem. And there's gotta be a lot more cooperation.

We should never hesitate to use military force, and I will not, as president, in order to keep the American people safe. But we have to use our military wisely. And we did not use our military wisely in Iraq.

The Iranian regime supports violent extremists and challenges us across the region. It pursues a nuclear capability that could spark a dangerous arms race and raise the prospect of a transfer of nuclear know-how to terrorists. Its president denies the Holocaust and threatens to wipe Israel off the map. The danger from Iran is grave, it is real.