That's a central part of philosophy, of ethics. What do I owe to strangers? What do I owe to my family? What is it to live a good life? Those are questions which we face as individuals.

Sometimes we know the best thing to do, but fail to do it. New year's resolutions are often like that. We make resolutions because we know it would be better for us to lose weight, or get fit, or spend more time with our children. The problem is that a resolution is generally easier to break than it is to keep.

When diamonds' role in fuelling violent conflict in Africa gained worldwide attention, the diamond industry established the Kimberley process in order to keep ""blood diamonds"" out of international trade.

I'm not overly alarmist about it, but I do think there are some worrying signs, like the growing accumulation of wealth by a very small proportion of the population, plus elections in the US are much more dominated by money than anywhere else calling itself a democracy.

If I had to name one thing that probably causes more conflict within the band, it's probably the fact that I'm the girl, and it takes much longer with hair and makeup and wardrobe. But they've gotten used to it. It's one of those things I think they realize that when they say she'll be ready in 10 minutes, it normally means 15 or 20.

Local Arab partners and the Iraqi government must lead the fight against ISIL. U.S. military advisers are important to this effort, but we cannot be engaged in combat operations. That is why Congress must revoke the previous war authorization and define our appropriate role in defeating ISIL.

The Kyle who made 'Smyle' honestly has a little more conflict in his life. He has a little more weight on his shoulders. He feels like he has to make an album about something. It's a Kyle with duty, with a plan, with a responsibility.

A man's conflicts represent what he 'really' is.