I know what the counterterrorism feels like because I was there. But I also operated within limits. And within the United States government, we've decided long ago that there are limits on what we're going to do in the war against terrorism.

At some fundamental level, religion does not allow for compromise. It insists on the impossible. If God has spoken, then followers are expected to live up to God's edicts, regardless of the consequences. To base one's life on such uncompromising commitment may be sublime; to base our policy making on such commitments would be a dangerous thing.

The American people want to make sure that the rules of the game are fair. And what that means is that if you look at surveys around Americans' attitudes on trade, the majority of the American people still support trade. But they're concerned about whether or not trade is fair, and whether we get the same access to other countries' markets that they have with us. Is there just a race to the bottom when it comes to wages, and so forth.

No matter how long it takes, the United States will find and bring to justice the terrorists who are responsible for Kayla's captivity and death, ISIL is a hateful and abhorrent terrorist group whose actions stand in stark contrast to the spirit of people like Kayla.

Part of what makes me most optimistic is if you look at the attitudes of young people. Across the board, young people are much more comfortable with respecting differences. They are much more comfortable with diversity.

What we saw was that the Ferguson Police Department in conjunction with the municipality saw traffic stops, arrests, tickets as a revenue generator, as opposed to serving the community, and that it systematically was biased against African-Americans in that city who were stopped, harassed, mistreated, abused, called names, fined.

John McCain likes to say that he'll follow bin Laden to the Gates of Hell - but he won't even go to the cave where he lives.