DHS/IAIP Daily Open Source Infrastructure Report

Published in PDF form, it's a daily [Monday through Friday] summary and assessment of open-source published information concerning significant critical infrastructure issues. Each Daily Report is divided by the critical infrastructure sectors and key assets defined in the National Strategy for the Physical Protection of Critical Infrastructures and Key Assets.

You can find it at
http://www.dhs.gov/dhspublic/display?theme=31&content=4252