The chairman and vice chairman of the commission that investigated the Sept. 11 attacks said in an interview broadcast yesterday that they had established an “extraordinary partnership” and did nothing to tamp down speculation that they might be candidates for a newly created post of national intelligence director. The establishment of such a post was the commission’s central recommendation. The speculation has been offered privately in the past by members of the bipartisan commission, who were unanimous both in their final report and in their praise for the panel’s chairman, Thomas H. Kean, the former Republican governor of New Jersey, and its vice chairman, Lee H. Hamilton, a former Democratic House member from Indiana and a former chairman of the House Intelligence Committee.Full Story