11.   Recent administrations had a bad habit of underestimating the risk of foreign upheaval, particularly when allies were involved.

12.   Still, many surgeons believed that the models underestimated surgical risk, particularly for the patients who were most at risk.

13.   Still, some researchers believe that the water industry may have underestimated the risk that biological and chemical agents could make their way into homes without ever being detected.

14.   Those who score higher underestimate risk and have more hope.

15.   But it would be unwise of China to underestimate the risks that come with unleashing hundreds of thousands of protesters throughout the country.

16.   Chinese adults severely underestimate smoking risks, he said.

17.   Earlier, Affifuddin said that investors should never underestimate risk and assume that it could never happen.

18.   It was to turn out that they had even underestimated the risk.

19.   Many people vulnerable to the devastation of hurricanes and related flooding underestimate their risk and are not prepared for the storms, according to a poll released Wednesday.

20.   Stocks were unsettled by comments Thursday night by Federal Reserve Chairman Alan Greenspan, who warned investors may be underestimating risks in the market.