Whether a federal court, assessing the sufficiency of the evidence in a criminal case based wholly on circumstantial evidence, must apply the "rule of equipoise" and grant a motion for judgment of acquittal when, construing the evidence in the light most favorable to the government, evidence of guilt and innocence is evenly balanced.

Whether a federal court must apply the 'rule of equipoise' and grant a motion for judgment of acquittal when evidence of guilt and innocence is evenly balanced