1.   He cleverly sowed doubts into the minds of his rivals.

2.   Although the most violent clashes have been centered in Medan, a city in northern Sumatra, the unrest has sown doubts about the stability of the entire country.

3.   And the idea attributed to Defense Secretary Donald Rumsfeld of mounting an imperfect system to sow doubt among potential adversaries would actually inhibit the needed research.

4.   As a countertactic, I have tried to sow doubt, or to stonewall.

5.   As the House of Representatives prepares to take up the measure, independent inventors and other critics are attempting to sow doubt about a seemingly once-sure thing.

6.   At this point, Congressional Republicans should stop sowing doubts in the larger interest of global safety.

7.   But other analysts said the incident would sow more doubts about a company that has already disappointed shareholders.

8.   But it would sow doubt among the solons of Washington, and they have a right to be confident.

9.   But the professional cost could be high if the revelation of his illness sows doubts, however clandestine, about his reliability when he returns to work.

10.   But Wednesday, he said the death at Hopkins had sown new doubt in his mind.