1.   But lingering doubts by members of the two-state task force investigating the case prompted Jackson County medical examiners to take another look.

2.   But more than anything, he was afraid that his team had tasted enough success, that doubt still lingered under the surface.

3.   But there are lingering doubts here about whether the government, and Panamanians themselves, can handle the responsibility.

4.   Fernando Vargas had lingering doubts about how he was perceived when he arrived at El Paso International Airport for his bout against Wilfredo Rivera on Saturday night.

5.   There are also lingering doubts about whether the government has hard evidence that would link the terrorist attacks here to Chechen militants.

6.   This is crucial, as there are still lingering doubts about our ability to actually deliver the goods.