1.   And some USC officials doubt the credibility of the tape.

2.   He said he now doubts the credibility of the troopers who told him about Jones because they were angry at Clinton and out to make money.

3.   Politicians sometimes take risks when discussing moral issues, since pollsters find the public widely doubts their credibility.

4.   The appeals court also doubted the credibility of a witness on whom the prosecution relied heavily, Fernando Rodriguez Gonzalez.

5.   Two jurors said later that they doubted the credibility of Jeffrey Wright.

6.   But officials doubt her credibility and say the execution will likely proceed as planned.

7.   The government said it doubted the credibility of the communique, and said the kidnappers had not been in touch.

8.   They said Bush aides had begun to doubt her credibility regarding a key question in the case.