Kirk Larsen at It Makes a Difference to the Sheep has come up with a great idea; making a group blog for your students to post things that they find out about your subject.
It is like having a bunch of research assistants digging all around the Internet gathering data for you. Brilliant!
Needless to say, I plan to visiting GW North Korea pretty often. After all, a school that graduates guys like yours truly must be pretty darned good.