President Obama has made it his mission that we welcome our troops home with care, and concern, and the respect they deserve. That is how an exceptional nation says "thank you" to its most exceptional men and women.

When employees feel anonymous in the eyes of their managers, they simply cannot love their work, no matter how much money they make or how wonderful their jobs seem to be.

It's not my job to judge one of my athletes. Everybody is different. Some are the partying type, some are the studying type, some are ultra-religious, some might be gay. Put it this way: If you can play ball, that's all I care about.

Anybody who decides to take me on needs to put on knuckle-dusters. If you think you can hurt me more than I can hurt you, try. There is no way you can govern a Chinese society.

While you cannot deliver policies without principles, you cannot deliver principles without having power. You have quickly to move to a stage where, emphasising your principles, you build a programme, then call for popular support.

I've been a medical and public health professional as well as a mother. I became skilled at juggling a number of priorities and competing interests. Like many other female leaders, I've tried to serve as a role model for the young women at my organization who are trying to balance a high-level leadership position and a family.