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 opportunity to voluntarily provide us with information for us to evaluate in the context of all of the evidence we have gathered." The President declined.

Recognizing that the President would not be interviewed voluntarily, we considered whether to issue a subpoena for his testimony. We viewed the written answers to be inadequate. But at that point, our investigation had made significant progress and had produced substantial evidence for our report. We thus weighed the costs of potentially lengthy constitutional litigation, with resulting delay in finishing our investigation, against the anticipated benefits for our investigation and report. As explained in Volume II, Section II.B., we determined that the substantial quantity of information we had obtained from other sources allowed us to draw relevant factual conclusions on intent and credibility, which are often inferred from circumstantial evidence and assessed without direct testimony from the subject of the investigation.