[CentOS] How to disable screen locking system-wide?

Wed Jan 19 19:44:00 UTC 2011
Bob Eastbrook <baconeater789 at gmail.com>

By default, CentOS v5 requires a user's password when the system wakes
up from the screensaver.  This can be disabled by each user, but how
can I disable this system-wide?  Many of my users forget to do this,
which results in workstations being locked up.