"On November 18, several researchers from UC Berkley released a working paper [local]. The paper alleges to present statistical evidence that, in the 2004 Presidential elections, the use of electronic voting machines in Florida gave to Bush votes that he would not have otherwise received. The finding was covered in a Wired News article. Once I correct for this shift, the "electronic voting machine effect" disappears.In response to this, I wrote a paper [html, pdf] that shows that the model used by the Berkley team is flawed. Specifically, the model fails to account for demographic shifts between 2000 and 2004....