These ought to be heady times for government service contracting. Once a controversial hobbyhorse of libertarian policy wonks and conservative ideologues, service contracting is now mainstream, championed by leading officials across the political spectrum. Once the target of serious legal challenges, contracting emerged from those early courtroom battles not only unscathed, but also emboldened by the judiciary’s tacit endorsement. And, once believed too dangerous to be introduced in contexts calling for the exercise of sovereign power, service contracting is now ubiquitous in military combat, municipal policing, rule promulgation, environmental policymaking, prison administration, and public-benefits determinations.But times are chang...