A friend of mine shared this graphic at Twitter, and I thought it was excellent; it's a good explanation of what I am trying to do in these classes: not just assigning writing, and not just teaching writing... but teaching writers! At least, I hope so! :-)
You can click on the image for a larger view, or see the graphic at my friend
Larry Ferlazzo's blog - he's a great teacher to follow at
Google+ or
Twitter if you are a future educator yourself.