Jack Cashill's Who Wrote Dreams of My Father raises a question that may not be that hard to answer. When the satirical novel Primary Colors by "anonymous" came out with its unflattering look at the Clinton campaign apparatus, quite a few media outlets went in hot pursuit of the author.   Political reporter Joe Klein was quickly identified as the culprit by those who compare writing samples as a profession, such as professor Dan Foster.  In addition to being hired to track down the author of Primary Colors, Foster also worked on the Unabomber case and other criminal prosecutions.    Foster maintains that writing styles are surprisingly distinctive.  Such things as a preference for dashes, a fondness for parentheses or an over reliance on "however", "for example" or "nevertheless" are a writer's DNA. When it comes to matters of theme and language,...(Read Full Post)