The Air-Conditioning and Refrigeration Institute (ARI) is hosting its second annual ARI Cool Connections Public Policy Symposium, April 5-6, in Washington, D.C. It has invited Congressman Ralph Hall (R-TX), chairman of House Energy and Commerce's Subcommittee on Energy and Air Quality, to speak at an evening reception. Senators Thad Cochran (R-MS), Blanche Lincoln (D-AR) and Barack Obama (D-IL) have been invited to discuss challenges facing the 109th Congress on April 6. For a complete schedule, contact Deborah E. Miller at or visit the ARI Web site. In other news, ARI revised 11 of its standards and guidelines, also available for download on its Web site.