I've written several times over the years about the overblown claims of harm attributed, largely—but not exclusively—by cranks, to cell phone radiation. It's been claimed that radiation from cell phones can cause brain tumors (there's no convincing evidence that this is true), breast cancer (the evidence for these claims is so incredibly flimsy—and featured by Dr. Oz, to boot!—that this is not a credible claim), and a wide variety of other health issues. Indeed, if you believe the cranks, the mobile phone companies are the equivalent of tobacco companies denying that their products cause…