And you can see a little bit of double helix forming there.

Any crisis is also an opportunity.

A good place to start would be the climate change negotiations, now underway.

But nationalism may not be a political constant.

A fair renegotiation can be the basis of a better long term relationship.

The aftermath of the earthquake is thus a potential watershed.

But removing protection is always politically difficult.

That is why the fight against AIDS may be the great challenge of our age and our generation.

For Sino Russian relations, such fundamental uncertainties may be a blessing.

Open hearings would be a step in the right direction.

The equivocal nature of Iran s alliances, however, can be a mixed blessing.

Behind the glitz, the summit may mark a watershed in France s relationship with Africa.

The collateral damage for EU foreign policy is also significant.

Here the river slows considerably, dropping sediment that might otherwise form a river delta.

(b) Procedures related to the expulsion of foreigners which in some instances may be in breach of the Convention.

Market exchange rates are not a good indicator of these differences, because they can fluctuate for other reasons.

For many poor countries, wealth in natural resources is a curse rather than a benefit.

These new chasms might be the most important long term outcome of the European Parliament elections.

But these groups have already become a major contender in the Arab world s battle of ideas.

Iran is another front where Obama might be forced to recognize the limits of his conciliatory approach.

In some ways, the end of a unipolar world could truly be the Hour of Europe.

In some cases, that close communication is more important than public rhetoric.

Manufacturing may ultimately be central to the vigor of a nation s democracy.

This consolidated the oligarchy which had begun to form as early as the 15th century.

Or the deposits can be investments in D.E. Shaw s funds and the loans can be the complex derivatives that make up D.E. Shaw s portfolio.

But macroeconomic policy is not the only area that would benefit from better understanding between the two countries.

Four years ago, I would have said that the principal source of international economic disorder was made in America.

This may be more conducive to peace than trying to impose on them a hated occupation or an equally hated Shia hegemony.

While China may be a ravenous importer of Latin American commodities, it is also a formidable competitor.

Rules that impede business start ups may be an even more important obstacle to making monetary expansion effective.

Hospitals are more important for some areas, while schools are more important for others.

It expects costs for the fuel cell stacks, the heart of the drive train, to decline as much as 90 .

If this idea stands, Russian minorities from the Baltic to the Crimea may turn out to be ticking time bombs.

How this spills over into the real economy is yet another source of uncertainty.

It is as if his personality had become the biggest obstacle to his determination to break with the past.

Nevertheless, coups, whether violent or peaceful, are the antithesis of democratic institutions, and military rule can last a long time.

Iran may be part of the problem, but, whether we like it or not, it may also be part of the solution.

If the humanities have become obsolete, then it may be that humanity is losing its salience.

Compromise can be anathema for purists, but it has always been the stuff of which peace is made.

But the current economic crisis may provide a severe test of the euro s ability to survive in more troubled times.

Apart from their direct destructive effects, new types of weapons of mass destruction could pose new and very serious risks.

When we cannot be sure how to improve the world, prudence becomes an important virtue, and hubristic visions can pose a grave danger.

It is impossible to anticipate the numerous financial products that human ingenuity can create, and that can be dangerous to use but of great value to some.

To believe that one can accurately foresee what will become of Chavez and Venezuela brings to mind another warning by Fiedler He who lives by the crystal ball must sooner or later learn to chew glass.

Paradoxically, the challenge of climate change is a good place to look.