In the wake of the slaughter of innocent children at Newton, CT, several articles with references to God not being in the schools as a cause.  So does God need to be invited in order to prevent the slaughter of innocent children?  What are the rules for God saving some people (as claimed by many - you know - miracles) and not others?

Rules here ...

No proselytizing.  Looking for a discussion not preaching.

If quoting the Bible, please indicate which translation and version you are using.  Limit 1 Bible quote per comment.