Can a prior hearsay statement of a witness who is testifying be admitted into evidence under the hearsay exception?

This circuit follows the rule set forth above that before a prior hearsay statement of a witness who is testifying can be admitted into evidence under this exception, it must first be shown that the witness does not now have sufficient recollection as to the matters contained in the statement to enable him to testify fully and accurately regarding them. See United States v. Edwards, 539 F.2d 689 (9 Cir.), cert. denied, 429 U.S. 984, 97 S.Ct. 501, 50 L.Ed.2d 594 (1976), where we held:

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