Are you talking about the SLA Marshall study on 'ratio of fire'? Because that study has since been proved to have been based on highly questionable methods that fatally flawed the study.
Bradley's handling of the situation in the Aachen/Huertgen area in the late fall and early winter months of 1944 are not his finest moment. As several have said, the operations in Huertgen especially were wasteful and ill advised.
Still, for the most part, he did a sterling job.
I'd like to see Troina and Gela. San Pietro would make a great scenerio. Plus, there's that one battle where a bunch of Rangers got trapped behind German lines near the Anzio beachead. Can any grog name it?