Information aesthetics has been tracking "chart wars," for example in Political Chart Wars: Health-Care Reform Obfuscated by Infographics, and just posted an intro video by TargetPoint's Alex Lundry:
"He addresses the issues of subjective messaging through visualization, the emergence of open data, some ideal data visualization tools, a set of quick lessons in graphic literacy, and a short list of recommended visualization books, all within the time span of 5 minutes."
Note: see also the responses to the popular National Geographic infographic chart on health care in Graphing The Cost of Health Care by Jon Peltier and Warning: Graphic Politics by Evan Falchuk.
For an overview of infographics and visualization see Interactive Narratives infographics feeds, and click on the tags below. For the on-topic angle, see Bar Graphs in After Effects and Charts and graphs in After Effects.
Update: here's a beauty that just doesn't add up -- by Fox News via Eager Eyes,