Sens. Carl Levin (D-Mich.) and John McCain (R-Ariz.) released a compendium of 31 acquisition reform essays from leading defense experts–from the Defense Department, the military services, industry and academia–as congressional committees and the Pentagon seek ways to produce better weapons systems for less money. Though Levin and McCain’s Senate Permanent Subcommittee on Investigations does not make any recommendations of its own, it does note some trends in the feedback. “Nearly half of the experts feel that cultural change is required while…