Nobody ever went broke underestimating the intelligence of the American public," H.L. Mencken, the American journalist, famously said years ago. And so it continues today, not only in the U.S. but most everywhere else. The continuing EMF controversy, stimulated by three new books —Sam Milham's Dirty Electricity, Devra Davis's Disconnect and Ann Gittleman's Zapped, — has fueled the demand for quick fixes. (None of these authors recommends them.) Just about every day, someone contacts us, pitching a new product or, on the consumer side, asking if they do any good.