There has been some clarification in recent years, however, thanks to advances in DNA testing.
There has been much debate around Europe as to whether internet access is a fundamental right.
There has been much controversy over the proposed 5% levy, which could be introduced as early as 2007.
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There has been much debate over how Scotland's police forces could be reorganised to save money.
And in fact, there has been a lot of cooperation recently between OPEC and Russia.
There has been some concern from analysts about the amount of additional debt being taken on.
Until now, there has been little public reporting on this unwelcome and threatening activity.
"In two years there has been a drastic change in regulations in Alberta, " de Margerie complains.
But although the UK remains less equal than the OECD average, there has been an improvement.
Yet, despite the rhetoric, there has been a turnaround in American factory employment lately.
Since the founding of the NSF, there has been bipartisan support for government-university partnerships.
There has been no official confirmation that passengers heard threats were made on board the aircraft.
There has been a fair amount of talk about congressional hearings looking into climate science.
To date, there has been scarcely any opportunity for a rigorous review of the rolls.
But in Ohio, in recent years, there has been an effort to do more.
There has been speculation on and off about a free e-reader hitting the market for years.
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To date there has been no need to call on taxpayers to fund the guarantee.
For Djokovic, there has been no shortage of pick-me-ups in the past nine months.
There has been a lot in the news Monday regarding positive Black Friday sales numbers.
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Since 1930, there has been no concerted effort to pay down the national debt.
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Recently, there has been an unprecedented explosion of international interest in traditional and contemporary African art.
There has been a lot of discussion lately about the impacts of autonomous vehicles on society.
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But there has been public outrage over bonuses following the huge bail-outs of banks.
There has been less money for local candidates, and few bodies, because membership is not growing.
But in that area at least, there has been some good news to report.
But there has been significant Buzz among the 18-34 demographic since the campaign launch.
She refused, and there has been acrimonious back-and-forth over the proposed merger ever since.
There has been incredible political pressure on the Fed to keep interest rate low.
There has been a slight thaw in places but more snow in parts of central England.
Over the last year there has been a rise in Twitter accounts posing as corporations.
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