> > acts as tree adds methods parent, children as well (or rather
> > associations but net effect is the same)

WOW!!  Well then, that's my problem.  I can't have a foreign-key
column named 'parent'.  It's a conflict which is going to produce
exactly the kind of difficulties that I'm seeing.  I'm going to have
to re-name that column (ugh!).  Having a foreign key column named
'parent' is a *REALLY* bad choice.

Thanks a batch for the help!!

         ... doug
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