What problem is being solved by this new color system? Tom Ridge is so very important that he has refused to appear before Congress to answer questions (part of the administration's policy of putting its fingers in its ears, facing toward Capitol Hill and saying, "I can't hear you! "). ...Finally he appears at a news conference with a chart that looks like a kindergarten teaching aid. "This provides a common vocabulary so officials from all levels of government can communicate easily," he said. ... So everyone agrees that we have a yellow. Does everyone agree on what "having a yellow" means?