Nick Farris points out that: >The problem of _T. rex_ falling down disappears if _T. rex_ was just >really good at not falling! Mmmm-hmm. We rarely hear arguments, for instance, that gibbons cannot brachiate, or birds cannot fly, because a fall from such a height would be fatal. Steve Jackson, firstname.lastname@example.org - this will do till I fix my .sig file . . .