21.   A cleaner conscience is not an impossibly ambitious goal.

22.   Bush promised not just to pursue many ambitious goals, but to get the job done by eradicating partisan bickering.

23.   Bush settled on the Houston marathon in January, still an ambitious goal.

24.   But critics say those projects are also endangered by budget cuts, and that they fall far short of the ambitious goals of the space plane.

25.   But global financial markets have been pummeled since late summer, forcing Citigroup to adopt less ambitious goals.

26.   But in outlining ambitious educational goals for his tenure, he listed two that left school officials puzzled.

27.   But Public Strategies may have to stretch its capabilities like never before to achieve its most ambitious goal.

28.   But Public Strategies may have to stretch its capabilities as never before to achieve its most ambitious goal.

29.   But the most ambitious goal for Brinker and his printer is an attempt to marry the biological and digital worlds.

30.   But through routine day-to-day decision making and executive fiat, Ohnesorg has already raised profound issues that set the stage for his more ambitious goals.