As the means of communication have evolved, presidential campaigns have grown increasingly multifaceted, with each election featuring layers of complexity that were not present four years before. The most striking feature of the 2008 election may be the sheer volume and variation of the attacks being directed at Sen. Barack Obama. Though they come from many sources, arrive through a variety of media, and cover a wide range of subjects, a close examination reveals a unified thematic structure to these attacks.

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