a well-designed campaign

Obama's 2008 campaign is surely the high point of election-related design to date, and its excellent visual branding has been documented in the new book Designing Obama ($80, h/t: Jason Kottke, and Paul Waldman at American Prospect):

Here's a small sample of the designers' flexibility while maintaining Obama's brand identity:

(In addition to the printed version, the book is also viewable online and available as a downloadable PDF.)