"Given the extent to which the US rightwing movement relies on the deliberate promotion of ignorance...

how can anyone, regadless of their philosophical views on conservatism, libertarianism and so on, associate with this movement and maintain any intellectual integrity. The converse question for the left, is whether there is any benefit in engaging intellectually with anyone who is, in the end, promoting ignorance and dishonesty by virtue of their affiliations."

Alas, President Obamastill doesn't seem to get this.

(Thanks to Jerry Dworkin for the first link.)