Although ceasefires and peace talks have failed before in the two-decade long war between the government and the Tamil minority, which lives mainly in the north and east, there are greater grounds for optimism than usual.
Will the expatriates make a difference this time when they have failed so many times before?
John Wolf hopes to succeed where four men before him have failed.
But I sort of feel that, you know, if Thomas Edison were in the school system today, he wouldn't have failed 10, 000 times before that one time that he figured out the real one - you know, the answer to the question.
That would be a huge disappointment for Ireland, who had envisaged a quarter-final place at least before the tournament but have failed to rediscover the Six Nations form which raised expectations.
Like Murdoch before, the McCourts have failed.
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Their market share is unprecedented, and many titles have tried, and failed, to slay it before.
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"You have here an unprecedented event never before have you seen a blowout at such depth and never before has a blowout preventer failed in this way, " BP spokesman Andrew Gowers said.
Six days before the failed gun attack - no arrests have been made yet - Mr Pandey had his first near-assignation with death.
There are two other pressing challenges that I have raised repeatedly before this body, and that this body has failed to address: entitlement spending and immigration.
But they have mostly been heard before, and Mr Maliki's government has failed to achieve them.
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While there had been attempts to launch tablets before, most notably by Microsoft itself, they have largely failed.
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Because that was the goalpost researchers had set for success before the study was begun, it is said to have failed.
Stokes could have profited from confusion in the Dons defence before the break when they failed to deal with a long ball upfield from Ma-Kalambay - but the Irishman could only head woefully wide.
Australia should have scored a second try when Barnes failed to find one of six support players before flanker George Smith, playing his 100th Test, dropped the ball just short of the line.
Top managers want a capital increase to shore up the balance sheet and have been openly critical of Mr Messier, who in the past has failed to inform them before talking to journalists about his plans.
It adds that health boards have failed to reduce the high cost of agency staff, and says a big reduction is unlikely before proposed changes to services are introduced.
Instead, your premise is that in the nine months since we took over Railtrack we have failed to improve an infrastructure that, in reality, suffered ten years of underinvestment in maintenance before what our regulator called the watershed of Hatfield in October 2000.
Since attempts to help patients who already have symptoms in these ways have failed, scientists must look to the earliest stages of Alzheimer's in hopes of stopping it before it begins.
Stoddart failed to take a difficult pass in the Quins 22 that would have sent him under the posts, before a further gilt-edged opportunity presented itself to the home side.
Birmingham and Solihull Coroner Aidan Cotter was told that while Ms Taylor could not have been saved by carers, Perry Barr-based Care 4U had failed to send staff for two days before she was found.
But if this lawsuit and others like it that have been filed around the country seem absurd, dozens if not hundreds of the early lawsuits against tobacco companies also failed before plaintiffs starting winning million-dollar and even billion-dollar judgments.
"An increase in land plant abundance may have occurred at the time just before the period known as the Cambrian Explosion, when the next Snowball Earth period failed to occur because temperatures did not get cold enough, " he added.
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