Yesterday, the new media team at the White House announced via the Associated Press that whitehouse.gov is now running on Drupal, the open source content management system. That Drupal implementation is in turn running on a Red Hat Linux system with Apache, MySQL and the rest of the LAMP stack. Apache Solr is the new White House search engine.
This move is obviously a big win for open source. As John Scott of Open Source for America (a group advocating open source adoption by government, to which I am an advisor) noted in an email to me: "This is great news not only for the use of open