Dear C., You asked me the other day, regarding the Joker poster, if we can ever go too far in attempting to provoke outrage and as I am sure you agree, the answer is “yes.” If we do go too far, we will lose credibility. If we lose it with the public I would argue that it is no big deal because we don’t have much with them and exposing truth is more important than building credibility with that crowd anyway. If we lose it with our donors, however, the results could be more dire. But our donors have shown themselves to be…