Voluntary controls or guidelines in the food industry are unlikely to work because the companies who move first are likely to be a competitive disadvantage, which means that regulation would be needed, the scientists said.
And, because their personal retirement accounts have dwindled during the recession, older teachers are delaying retirement, which means more layoffs would be needed to close budget gaps, said Marguerite Roza, a researcher at the University of Washington.
This means a wiretap would be needed to use the messages in court, LaForme argued.
In that three-page memo, dated June 24, Mr. Sullivan explained that WorldCom had signed deals to obtain more capacity than it needed, believing that the growth of the industry would mean the capacity would be needed in the future.
He re-iterated his opposition to a third runway being built at Heathrow airport, saying extra demand would mean a fourth would be needed by the time the new capacity was ready by 2026 or 2028.
That meant more pain would be needed to put the budget on track for a deficit smaller than 3 percent of G.D.P. by 2014, as stipulated in the country's $140 billion rescue package.
It would mean further permission would be needed should any alterations be proposed, or if somebody wanted to remove it.
Stefani insisted that just because no songwriting was involved in the production of the album did not mean no effort would be needed: the band had to decide which of their songs to include and which to leave out.
Sample-size calculations showed that assuming an SD of 1.5 times the population mean, 393 patients would be needed per study group to detect a between-group difference of CRP of 20% with a power of 80% at an α fault of 0.05.
Sample size calculations showed that assuming a standard deviation of 1.5 times the population mean, 190 patients would be needed per study group to detect a between group difference of HOMA insulin resistance scores of 20% with a power of 80% at an alpha-fault of 0.05.
