Poor data and misleading metrics are bad for everyone. (BTW Nate Silver is a data hero.) This article from Cheryl Davenport and Co.Exist has 3 really great tips for people who want to protect themselves from bad data ... and in many cases intentional manipulations. Think of it as a good primer for seeking information …
Tread lightly, take only pictures, leave only footprints.
Dixie's Road Trip 