11.   And with technology allowing instantaneous stock market trades, officials also worry about gambling in the financial markets.

12.   As a result, some officials worry if the talent pool in freestyle skiing will be diluted.

13.   As a result, Fed officials worry about whether inflation will stay limited to commodity prices.

14.   At the same time, the officials have worried about offending a powerful family with strong ties to the White House.

15.   At some point, officials worry, the debt will get so high that the benefit of any further stimulus will be outweighed by rising long-term interest rates.

16.   At Sun Valley Middle School, district officials worried that a nearby landfill could cause environmental problems if the school expanded.

17.   At the time, officials did not worry much about protozoa, parasites that attack the intestinal system.

18.   Bank officials worry that altering the water flow could damage the pine crop.

19.   Because the space center is only nine feet above sea level, officials worry about flooding from a storm surge.

20.   Both Israeli and Palestinian officials worried that violence would surge again almost immediately if Tenet left without hammering out a working agreement on what steps to take next.