Money can be a very important form of "ammunition," although we should never forget that when you're being shot at the most important ammunition is real ammunition.

We cleared many of their towns and cities and rural areas of al-Qaida Iraq and other insurgents.

First and foremost is to not allow the reestablishment, if you will, of an extremist sanctuary that can export the kind of terror that ended up with terrorists taking down the World Trade Center and plowing into the Pentagon and a field in Pennsylvania. That's the point: We started this war because the Sept. 11 attack came from this area. And we do not fight alone, but with some 40 allies who share that view.

The Islamic State fighters in Mosul are dead men walking and I think they increasingly know it.

Over the last few years they have done a superb job in their fight against al-Qaida. As you may recall, our embassy in Jedda (in Saudi Arabia) was overrun some four years ago and a number of foreign workers went home because of violence against them.

After being married for over 37 years, I showed extremely poor judgment by engaging in an extramarital affair.

Fighting in cities is a totally different endeavor than obviously fighting out in the open.