> If on the other hand you are asking if one 'soul' can be in
> two living individuals simultaneously you are asking a much
> more difficult question. Individual identity is a very sticky
> question even for the sciences, let alone for 'metaphysical'
> systems where there is nothing to test. I know that Edgar
> Cayce asserted that certain 'individuals' had simultaneous
> incarnations in the early days of human life on earth, but
> that it had become too because of the increasing 'entrapment'
> in the physical world.
I would consider the sets of twins being able to communicate to each other without any visible signs of movements to interpret as communication, as a reasonable candidate for this latter possibility of two bodies sharing the same "soul".