With 2013 completely in the rear-view mirror, it's time again to update our research study of the bias in PolitiFact's use of its "Pants on Fire" rating.
We've spent considerable time making the explanation of the study clear and providing plenty of easy-to-read graphs and tables. Feel free to post questions to us in the comments section or contact us by email (email address link at the bottom of the page).
We used Google's presentation format to produce something like a short e-book. Read it as an embed below or click on this link to read it full screen and/or download it as a .pdf file.