I just saw a promo for Sunday night's broadcast.  One of the topics will 
be plant smuggling.  VFTs were specifically mentioned (and shown)!
DISCLAIMER:  The comments above are my own and do not necessarily represent
             the views of my employer.
+-------------------------------+-------------------------------------------+
:     Geoffrey P. Goodrum       :         US Department of Commerce         :
:       +1-301-457-5100         : NOAA/NESDIS National Climatic Data Center :
: ggoodrum@perigee.ncdc.noaa.gov:         Satellite Services Branch         :
+-------------------------------+-------------------------------------------+
<A HREF="http://www2.ncdc.noaa.gov/GEOF/geof.html">Geof's Primordial Soup</A>