Janet Napolitano: “What actions do we need to take to make sure that that doesn't happen again?”

What bothers me, quite frankly, are the allegations that are made against anyone who happens to be Muslim.

We will learn many lessons from this attack, just as we have from past instances of terrorism and violent extremism.

I wake up in the morning thinking about how to protect this country, and I go to bed at night thinking about how to protect this country.

Delay only, in the end, postpones the inevitable at cost.