Thought some of you (W.E.?) might be interested in this brief discussion.
http://www.nasa.gov/centers/dryden/Features/AMA_Expo.html#.UtN_ZvtNY4d
Of course, we have known for some time in the flexwing world that adverse yaw can be overcome by wing tip aerodynamics.
It doesn't look challenging -- it looks like a huge airstrip with a tiny bit of snow. I could try to be cool, and say "ya, it was no big deal," but the truth...