The starting point for understanding the deterioration in the relationship between the U.S. and Russia lies in Washington rather than Moscow. After 1989, Russia was a defeated power. Despite the fine words and some limited gestures, the Americans have treated it like one. Their policy has been one of encirclement.

Always beware your moment of triumphalism: such emotions are a poor steer on the future.

The world is fortunate - for the time being, at least - that it has an American president in Obama who is prepared to take a conciliatory and concessive attitude towards America's decline and that it has a Chinese leadership which has been extremely cautious about expressing an opinion, let alone flexing its muscles.

Now, I know it's a widespread assumption in the West that as countries modernize, they also westernize. This is an illusion. It's an assumption that modernity is a product simply of competition, markets and technology. It is not. It is also shaped equally by history and culture. China is not like the West, and it will not become like the West.

Find someone within the company who is on another team but is at a similar level or role as you to be a friend, a sounding board, and a place to go for candid feedback. Find a mentor within the company who resembles the leader you'd like to grow to be.

September 11 was horrific, but I've been through enough crises before that I had my own pattern as to how to collect facts, what a leader should do, how to communicate with people, how to set up operating mechanisms to work our way through it.

How can a parliamentarian or a leader in a country say, on the one hand, that we're going to support Greece but at the same time say that Greeks are lazy?

I understand from experience that unity is easy to call for, but it takes the right kind of leadership to achieve.