Mattis has been sharply critical of President Barack Obama's policies on Iran and Obama's capping of troop numbers and campaign end-dates in theaters of war such as Afghanistan and Iraq. Mattis also appears to be a skeptic of the Obama-era policy of putting women into combat roles.

The senior director at the NSC for the Middle East is retired Col. Derek Harvey, an Arabic-speaking intelligence officer with a Ph.D. who served as the head of the U.S. military cell examining the insurgency in Iraq in 2003.

An intelligence officer and historian, Rayburn published a 2014 book, 'Iraq After America,' which is a must-read for anyone who wants to understand how Iraq descended into chaos in the years after the American troop withdrawal at the end of 2011.

The hard reality is that attacks by vehicles in public places are very hard to defend against in a free and open society. The best defense against such attacks is good intelligence, and that often comes from inside the Muslim community.

I had a very strong feeling about the Vietnam War, and I had a strong feeling about participating in it. The military draft was in place, I was summoned for a physical exam, and I was either going to be classified as fit for military service or make my objection to it. So I made my objection to it.

Muslim' is not a political party. 'Muslim' is not a single culture. Muslims go to war with each other. There are more Muslims in India, Russia and China than in most Muslim-majority nations. 'Muslim' is not a homogenous entity.

My father had risen in the British Army under the revolutionary aegis of General Montgomery, who was mad about training for battle, not muddling into disaster.

There was that argument that if we had more women in positions of authority, the world would be a nicer place. And then we got Golda Meir, Margaret Thatcher, Sirimavo Bandaranaike, Indira Gandhi. When women become acclimatised to war, they can become every bit as ruthless as men.