The refugee crisis is a challenge for the whole of Europe, and Europe - it's a very fair point to say it's not just a security issue. It's also an economic issue.
Cloud computing is a challenge to security, but one that can be overcome.
I'd be the first to say that cybersecurity is a difficult and challenging matter.
First, I do not think there is any silver bullet to solving the technology side of the security equation.
So long as I'm the president, we will. I clearly see the challenge. I see the challenge of what these threats pose to our homeland, and I see the challenge of what these threats pose to the world.
Hale had answered when the President of the United States can't go to a city of the United States and be protected, we've come to a very difficult time in our nation's history, and encouraged him to come.
The Russians and rogue actors, including ISIS - this is a serious part of the 21st century security challenge that we face.
It is in the U.S. interest to engage Iran in serious negotiations - on both regional security and the nuclear challenge it poses.
We have to solve the encryption problem. It is not easy.
We are now at a point where because we in fact have been successful at stopping a number of plots, a threat has evolved. We do see these lone-wolf actors. We do see these encouragements for troubled individuals to pick up a gun and act out of this ideology.
The security challenge is related to the progress and advance we make in the political process.