There are very few fighters in the ISIS organization in Iraq and Syria coming from the United States; most of them have either come from a region of the Middle East or from Europe.

Duty' is a refreshingly honest memoir and a moving one. Mr. Gates scrupulously identifies his flaws and mistakes: He waited too long, for example, for the military bureaucracy to fix critical supply issues like the drones needed in Iraq and took three years to replace a dysfunctional command structure in Afghanistan.

The homegrown terrorists are the most significant because any fighter returning from Syria to the United States would likely be identified and detected by our intelligence and law enforcement agencies.

I have a close association with Gen. Petraeus... What you get in Dave Petraeus is a very unique officer, a combination of intelligence, extraordinary depth of knowledge and understanding.

When I was 10, my parents really valued success in the arts, and I thought if I was a famous 'something artistic,' that they would love me more.

The success, or failure, of a CEO to implement AI throughout the organization will depend on them hiring a leader to build an organization to do this. In some companies, CIOs or chief data officers are playing this role.

I have great respect for Harvey as an artist, and owe him and his brother a debt of gratitude for the early success in my career, including the Oscar.

There is no short-cut to success. Whether you want to be an engineer, a charted accountant or a fashion model you must work hard.