We begin today with an abject lesson in the “law of unintended consequences” — the bane of bureaucrats and world improvers the world over. “We’re finding it in our systems, and so are other companies,” says Mark Koelmel. “So now we have to deal with this.” Mr. Koelmel runs the earth sciences unit at Chevron, the oil giant. “This” refers to a computer virus created by the U.S. government. The computer virus in question is [...] Government-Guaranteed Contagion appeared in the Daily Reckoning . Subscribe to The Daily Reckoning by visiting signup for an Agora Financial newsletter .