In fairness, though, I use the same rhetoric with my students: "Sources lie. But they're all we have." (http://www.slideshare.net/j… Maybe that's why none of the textbooks define the frame: it's all there is.

I'm not thrilled with the "frame is a lie" framing, so to speak. I could say that the frame is a *choice*, which is more consistent with the way you talk about it. That choice can be a lie because of what it obscures (as in when the frame widens and you can see something left out, a common cheap trick), but it can…