I agree on every single word:

We live in a crisis-prone age. In the past 44 months, we’ve endured the dips and gyrations of an international financial crisis, the worst economic slowdown since the 1930s, a wave of turmoil across North Africa and the Middle East, and Europe’s worst crisis of confidence since the Second World War. Unfortunately, we can’t expect smoother sailing in years to come because, for the first time in seven decades, we now live in a world without global leadership.

[…]

So we’ve entered a period of transition. The old order, call it a U.S.-led G7 world, no longer reflects the true international balance of power. But there is not yet a new order to take its place. That’s why global markets are in for an extended (and tumultuous) period of transition, one that’s especially vulnerable to crises that appear suddenly and from unexpected directions. It’s a G-Zero world.

(mon emphase) — Ian Bremmer on the Harvard Business Review Blog