Note: I will be sending this story to USBC offering the chance to respond to these experts, including writing a stand-alone piece that I will run with no editing, unless there is something that might put me in legal peril such as a slanderous attack on one of the experts. Three experts interviewed by 11thFrame.com say variance factors in testing with even official calibrated durometers in special stands like those used by USBC mean its reported ball hardness tests shouldn't be valid in...