The best way to deal with trolls varies by type. To deal with the professor and critic, ignoring their rants goes a long way. They may get angrier at first, but the lack of an audience will drive them to more easily riled up communities, soon. Screamers should be gagged somehow, and are usually easy to pick out by their caps lock and swears-to-normal-words ratio.
From the Upcoming ueue, submitted by .