It would be impossible to rule out a regional war.

It would be foolish to rule out the last possibility a priori.

So we cannot rule out a systemic failure and global depression.

Hate speech and violent ideology are not irrelevant.

Even a global depression cannot be excluded in the face of this fundamental crisis.

Why shouldn t another site of ancient enmities be the source of a new conception of statehood?

The long history of Africa s exploitation demands that this concern not be dismissed out of hand.

But the danger of a fundamental disintegration has increased over time, and today such an outcome cannot be excluded.

An accelerated public investment program that avoids low return projects is not out of the question.

Should the stalemate be prolonged, we do not exclude the option of reviewing the functioning of the existing machinery.

Nor should the possibility be ruled out that Iran might be tempted to back its regional ambitions by supplying nuclear material to proxy terrorist groups.

Economic resources are increasingly important in this century, but it would be a mistake to write off the role of military power.

Obviously, we also cannot completely rule out the possibility of a subsequent weakening or disintegration of Europe s common political structures.

While such an outcome may be improbable, it would be complacent folly to dismiss the possibility.

This realization might mute any rally around the flag reaction and thus not rule out regime change down the road.

And one cannot exclude the possibility of an Israeli military strike on Iran in the next 12 months.

Such an outcome cannot be ruled out, but the prospects are uncertain at best.

We cannot rule out the possibility that doing justice in Darfur will make it more difficult to achieve peace there.

A revision of US policy towards Israel s nuclear status can by no means be ruled out.

But the other thing that is humanistic about Jawbone is that we really decided to take out all the techie stuff, and all the nerdy stuff out of it, and try to make it as beautiful as we can.

While we cannot be sure how China will evolve, it makes no sense to foreclose the prospect of a better future.

Indeed, while changes in fundamental perceptions may not occur easily or fast, they should never be ruled out.

In view of the similarities between those historical precedents and current conditions in Saudi Arabia, we ought not to rule out the possibility of reform.

An unpleasant surprise cannot be ruled out at this point, it might be Europe s greatest source of hope.

The Kremlin has probably lost its chance to remove Saakashvili by overt force, although sinister, more stealthy means cannot be ruled out.

Although the collapse of the common currency area owing to political squabbles seems unlikely at this point, it cannot be ruled out entirely.

But it is too soon to write political Islam off as a capable participant even a leading force in a pluralist democracy.

So, in searching for the causes of the IMF s failure, we can rule out distraction by more urgent matters.

With a majority of the Republican Party on a jihad against government spending, fiscal explosions this autumn cannot be ruled out.

War threats in the Middle East should never be dismissed as hollow. Prophecies of war, moreover, have too frequently proven themselves to be self fulfilling.

However, once we set aside its elitist history, there remains a strong element of truth to this idea, especially when applied to the humanities.

But China s abandonment of the yuan s traditional parity in July 2005 rules out a new, credibly fixed exchange rate strategy for some time.

Apart from discouraging banks from investing abroad, outright restrictions on foreign banks market access cannot be ruled out, either.

Yet it is still too early to write off progress toward increased European integration. In fact, when it comes to EU cohesion, more cleavages are probably better than a single divide.

Although Greece is still far from a radical outburst, one cannot exclude the possibility of fierce reactions on the streets of Athens or other major cities.

Depending on the outcome of the ongoing negotiations between SCAF and Morsi, the size of protests in Tahrir Square and elsewhere, and the degree of pressure from the international community, a deadly confrontation cannot be ruled out.

But, even if an early general election cannot be ruled out completely, it seems implausible that either party will feel it has much to gain from precipitating the collapse of the national government.

But this can be ruled out in today s Russia, because the instruments to implement it notably an army that would obey orders to mow people down in the streets are lacking.

Although both Hezbollah and Iran still argue, perhaps correctly, that Israel will not give back the Golan Heights or allow the emergence of a Palestinian state, the possibility of peace cannot be ruled out.

The group of four, the Uniting for Consensus group, the African Union and the United States all put forward their own draft resolutions or ideas, and we cannot exclude the possible emergence of other new formulas later on.

So when we take away the dopamine receptor and the flies take longer to calm down, from that we infer that the normal function of this receptor and dopamine is to cause the flies to calm down faster after the puff.

And, given the rising risk of a global systemic financial meltdown, the prospect of a decade long L shaped recession like the one experienced by Japan after the collapse of its real estate and equity bubble cannot be ruled out.

Looking at Egypt s prospects realistically, one should not exclude the possibility that the two strongest forces in the country the military and the Muslim Brotherhood ultimately will find a way to share power.

Testing RF is often evaluated in patients suspected of having any form of arthritis even though positive results can be due to other causes, and negative results do not rule out disease.

So we cannot rule out a systemic failure and global depression. As we have seen in recent days, it will take a big change in economic policy and very radical, coordinated action among all advanced and emerging market economies to avoid disaster.