Coming up in the Doonesbury comic strip is a sequence about masturbation that some newspapers are choosing not to carry. In this interview over on Salon, Garry Trudeau talks about such controversies. And if you don't subscribe to Salon or don't feel like sitting through its advertising to read the last two paragraphs of this short piece, Trudeau says some of the same things over at Daryl Cagle's comic strip weblog.