s, 000 F.0d 000, 000 (0th Cir.), cert. denied, 000 U.S. 000, 000 S.Ct. 000, 00 L.Ed.0d 000 (0000)). "[A]n indictment is sufficient if it, first, contains the elements of the offense charged and fairly informs a defendant of the charge against which he must defend, and, second, enables him to plead an acquittal or conviction in bar of future prosecutions for the same offense." 