Colorado Sen. Ken Salazar has joined in a request for an investigation [2] into the exclusion of three Denverites from President Bush's social security talk in Denver. Salazar has asked a Treasury Department official and a local prosecutor [3] to review the matter. The Secret Service is an agency within the Treasury Department. Congressman Mark Udall also has asked for an investigation. We wrote about Diana DeGette's request here [4]. Will Congress listen?