A dangerous tune

EU regulators traditionally have proved wary of involving themselves with retail prices. But they jawboned Apple on Wednesday into cutting the cost of music downloads from its UK iTunes store. This represents a surprising outcome. In its long-running case against Microsoft, regulators forced the software giant to issue a version of Windows without its Media Player. But they declined to tell Microsoft how much to charge for the new version, fearing that courts would frown on such an order. Micros...