Actually, I don't think the right has played as dirty as this. A Times article by Michael Luo this morning unveils a new netroots enterprise, Accountable America, the unabashed purpose of which is to terrify conservatives from giving campaign money to Republican causes and Republican candidates. It's actually ingenuous. You get a list of past Republican donors and send each of them one, two, many e-mails with the explicit warning that contributing to conservative campaigns may be dangerous to the donor's health. Or, as Luo puts it, "The warning letter is intended as a first step, alerting donors who might...