I think Syria is now the training ground for the world... These rebel forces are more of a threat than anything.

I think it's important to note that after the airstrikes began in Iraq and Syria, ISIS began a very aggressive social media campaign calling for these types of attacks, these lone wolf attacks.

In the radical Islamist jihad world, you're seeing more and more recruits going to ISIS rather than al-Qaida.

ISIS is the greatest threat.

I think, in Washington, getting things for the great people of Texas done is an important job.

I don't think Mr. Snowden woke up one day and had the wherewithal to do this all by himself. I think he was helped by others.