Muslim communities are the ones that going to see radicalization happening at a mosque or hear it in the community or even among their own family members. And the other part is that there is a narrative that ISIS and other jihadists pose that this is a war between Muslims and the rest of the world.

I really - as I said, I wanted to be President of the United States. It didn't turn out that way.

The way to turn our economy around is not by making rich people poorer, it's by making poor people richer.

ISIS are actively recruiting Americans. The attacker in San Bernardino was an American citizen, born and raised in this country. He was a health inspector; had a newborn child and left all that behind to kill 14 people.

In Aleppo, Mr. Putin has directed his military to conduct a devastating campaign. He's targeted schools, markets. It's resulted in the death of thousands of civilians. This is not the first time Mr. Putin is involved in campaigns of this kind.

For over two centuries, each generation of Americans before us confronted and solved problems. They embraced opportunities and Americans have never had it easy. This was a nation founded by declaring independence for the most powerful empire in the world. This was a nation that faced a divisive and bloody civil war, two great world wars, a long cold war.

Presidents don't have the benefit of hindsight. You have to make difficult decisions based on the information that's before you at that moment.