http://rss.nytimes.com/c/34625/f/640350/s/3b02ba16/sc/30/l/0L0Snytimes0N0C20A140C0A50C310Cus0Cpolitics0Camid0Emoves0Eon0Eshield0Elaws0Ea0Ejournalist0Etells0Eof0E20A110Esubpoena0Efight0Bhtml0Dpartner0Frss0Gemc0Frss/story01.htm

A reporter’s story of being asked to reveal his sources adds a chapter to the administration’s crackdown on unauthorized leaks.

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