Actually he had a short press conference on it just a while ago.
Video of press conference is here:
http://hotair.com/archives/the-blog/2006/06/21/santorum-military-has-found-500-chemical-munitions-shells-in-iraq/
Video of press conference is here:
http://hotair.com/archives/the-blog/2006/06/21/santorum-military-has-found-500-chemical-munitions-shells-in-iraq/