Miz.Michele on "[Plugin: W3 Total Cache] Page cache enabled but not caching"

I'm using a VPS, Opcode, X Cache

Object caching working.
Page caching not working.

Served from: http://www.lasvegasworldnews.com @ 2013-12-12 20:13:06 by W3 Total Cache -->
<!-- W3 Total Cache: Page cache debug info:
Engine: xcache
Caching: enabled
Status: not cached

Can anyone help me troubleshoot?

http://wordpress.org/plugins/w3-total-cache/