There is a very interesting exchange of posts on Iain Abernethy's website—including a sub-conversation between Stuart Anslow and Simon O'Neil, probably leading exponents of the application of bunkai-jutsu kata analysis to TKD hyungs (ITF and WTF/KKW respectively)—on combat interpretaton of TKD patterns. Since the thread started, Anslow has published the first in a series of encyclopædic treatments of bunkai for the ITF hyungs, and O'Neil is working on a comprehensive book of the WTF/KKW set based on his monograph-scale set of newsletters from the Combat_TKD website. This thread, the one I'm referring to, is the only instance I'm aware of where the two of them talk directly to each other. Some quite suggestive discussion there...