“Plainly it is not every error made by a witness which affects his credibility. In each case the trier of fact has to make an evaluation; taking into account such matters as the nature of the contradictions, their number and importance, and their bearing on other parts of the witness's evidence.”

“Plainly it is not every error made by a witness which affects his credibility. In each case the trier of fact has to make an evaluation; taking into account such matters as the nature of the contradictions, their number and importance, and their bearing on other parts of the witness's evidence.”

“Plainly it is not every error made by a witness which affects his credibility. In each case the trier of fact has to make an evaluation; taking into account such matters as the nature of the contradictions, their number and importance, and their bearing on other parts of the witness's evidence.”