I don't know about the rest of the article, but ES&S certainly warrants scrutiny--I remember researching them and some related companies during the 2000 election and there's an interesting story there. . .
My favorite lines:
"Computer experts say that signals can travel both to and from computerized voting machines through wireless technology, modems, and even simple electricity."
but this is the howler:
"The AP is batting for a Bush presidency."