An initial report of this appeared in the New York Times, on Feb 1, 2008, as noted on the FR post Times Reporter Subpoenaed Over Source for Book [James Risen.....]. The additional details in this Weekly Standard article, dated for publication on 18 Feb 2008, were posted on 9 Feb 2008. I first saw mention of this Weekly Standard article on the fine blog of The Discerning Texan, in a post he made on 9 Feb 2008.