Jane Norton.Last month, the National Republican Senatorial Committee registered a couple of domain names on behalf of former Colorado Lieutenant Governor Jane Norton -- and today, Norton's using one of them, JaneNortonForColorado.com. Up-front: A news item that declares, "Jane Norton officially filed the Jane Norton for Colorado campaign committee with the Federal Election Commission. The committee will allow Norton the opportunity to explore a bid for the United States Senate in 2010." A