A draft proposal floating behind closed doors would reconstitute and improve upon a former Army data-mining program called Able Danger. Able Providence, as the new program has been dubbed, would establish “robust open-source harvesting capabilities” to give military and law enforcement agencies the information to take the initiative in the war on terrorism—that is, to be able to plan and execute offensive measures—in addition to continued defensive actions. In addition, the program would be driven by a presumption that use of weapons of mass destruction within the United States is possible. As a result, Able Providence would need to detect,...