Rambo Tribble writes: The Economist reports on the increasingly difficult time states are having obtaining drugs to implement lethal-injection executions. Many of the larger pharmaceutical houses will not or cannot provide the requisite drugs when destined for that purpose. As an alternative, the states are turning to compounding pharmacies. A shadowy marketplace is evolving, with attempts being made to hide the drugs' origins. Of course, lawsuits and legal maneuvers are flying thick and fast.