and is of an occasion for argument. See United States Zielie, 734 F.2d 1 1447, 1455 (11th Cir.I984 a rogated on other grounds by United States Chestang, 849 F.2d 528, 531 (I I th Cir.1988). ' e scope and extent of the defendant's opening statement rests largely the discretion of the trial court."