Pax has hit a bit of a snag.

#0  PaxError->pax_backtrace() called at [/home/mykala/everydayspark/PaxError.php:31]
#1  PaxError->__construct() called at [/home/mykala/everydayspark/PaxCache.php:134]
#2  PaxCache->check() called at [/home/mykala/everydayspark/PaxCache.php:37]
#3  PaxCache->__construct(Array ([uri] => /2012/01/07/a_fresh_start)) called at [/home/mykala/everydayspark/PaxOutput.php:71]
#4  PaxOutput->__construct() called at [/home/mykala/everydayspark/pindex.php:7]
Blame it on apc
APC cache is not available.
Verify APC extension is correctly installed.