And as we see now, the failure of the Congress and the White House to agree has already destabilized the country.
This shift in life expectancy has already destabilized both public and private pension schemes everywhere and helped accelerate the move from defined benefit retirement plans — whereby a pensioner receives some level of his final salary in perpetuity — to "defined contribution" plans put the onus on savers in the US and around the world.
But Dr. Alley and other experts said the new study showed that it was unlikely that Greenland's ice had already become destabilized in ways that could cause a surge in sea levels.
General Conway and his staff initially urged caution, pointing out that the MEF had already developed a more nuanced long-term plan to reestablish control over Fallujah and that using overwhelming force would most likely further destabilize the city.
Osama bin Laden' allies in the Taliban have already threatened and destabilized a teetering Pakistan and have even launched three attacks on Pakistan's nuclear facilities in the past two years.
As he no doubt has noticed, the region is already destabilized.
The crown prince has already done much to destabilize the region, by leading a military intervention in Yemen, launching a boycott of Qatar and kidnapping the Lebanese prime minister.
"These school closings have been happening in communities that were already destabilized by the dismantling of public housing, by gentrification and effects of the economic crisis," said Pauline Lipman, professor of education at the University of Illinois at Chicago.
But with the Syrian conflict in its third year, the fighting has already spilled over the borders, destabilizing its neighbors, even as Al Qaeda-affiliated rebels play a bigger role.
By enabling the rearming of the Assad regime, the Maliki government is responsible for prolonging a conflict that has already exacted a devastating human toll, destabilized Lebanon and is threatening to draw in Turkey and Jordan.
Conservative Catholics, who have already expressed concern that Francis could destabilize the church and undermine doctrine, were far less impressed.
