31.   Ewing is one of numerous experts who believe school safety should follow patterns similar to airport security with a strict set of specific rules.

32.   Even so, some investors are wary about buying securities with a slew of government and corporate bond sales coming in the days ahead.

33.   First Lady Laura Bush embarked on her first solo trip abroad last week, linking national security with her signature theme of education.

34.   Following are total returns of major government bond markets for the year as measured by Bloomberg indexes of securities with at least a year to maturity.

35.   For example, funds are supposed to trade among themselves only securities with clear market prices, so that no one pays too much or too little.

36.   Foreign central banks were sellers of Treasury securities with shorter maturities, said Ralph Hallenborg, head U.S. government bond trader at Smith Barney in London.

37.   He compared the situation to a scenario in which he overheard the president or some other high-ranking official discussing an issue of national security with a foreign enemy.

38.   He said the company was not sacrificing financial security with its expansion.

39.   Higher rates diminish the value of securities with a fixed rate of return.

40.   Hijackers foiled airport security with plastic-handled knives.