Original sentence: Most predictions from such figures as Nostradamus and James van Praagh are written in a such a vague and ambiguous way as to make interpretation nearly impossible before the event, rendering them useless as predictive tools
Edited sentence: Most predictions from such figures as Nostradamus and James van Praagh are deliberately written in a such a vague and ambiguous way as to make interpretation nearly impossible before the event, rendering them useless as predictive tools