TC is an extraordinarily divisive subject... much like WMDs, etc., etc. AJE, since you seem to be full of energy, check out this link from NSF (no, not Wave's bank account!) <A HREF="http://www.cise.nsf.gov/fndg/pubs/display2.cfm?pub_id=5370&div=" target="_new">http://www.cise.nsf.gov/fndg/pubs/display2.cfm?pub_id=5370&div=</A> later, SPIN