Between 1993 and 2006, that requirement evolved from the desire to maintain the capability to defeat two conventionally armed aggressors to the need to conduct a campaign against a conventional adversary while also waging a long-duration irregular warfare campaign and protecting the homeland against attack.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Measure of a Superpower: A Two Major Regional Contingency Military for the 21st Century | Page: 2

Over time, the requirement evolved from maintaining the capability to defeat two conventionally armed aggressors to a more complex formulation in which the U.S. military was asked to be able to conduct a single campaign against a conventional adversary while waging a long-duration counterinsurgency and stability campaign or protecting the homeland against attack and providing support to civil authorities.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Measure of a Superpower: A Two Major Regional Contingency Military for the 21st Century

And Romney will let congressional Republicans know that the payroll tax flap needs to go away for the duration of his campaign.

FORBES: Congress Is Back, And So Are Its Battles Over Tax And Budget Policy

Clinton's enduring vulnerability centers on his character, but if his luck holds, the issue will stay on the back burner for the duration of the campaign.

CNN: Clinton

For example if your company supports a disaster recovery effort, the company may increase the maximum contribution, or match at a higher rate for the duration of the campaign.

FORBES: Got Compassionate Corporatism?

This week, Mr Abbas held a series of meetings with the militant groups, discussing their participation, if not in the election itself, at least in a unified interim Palestinian leadership for the duration of the campaign.

ECONOMIST: Can Palestinians go from bullets to ballots? | The

There was one campaign that perhaps stands above them all for both the duration of my involvement (eight years) and its historic permanence.

FORBES: An End to False Equivalency?