BERLIN (Reuters) - The recent mass killing in Norway could easily serve as a blueprint for other anti-Muslim militants, one of Germany's top security officials warned in a magazine interview Sunday. (http://feeds.feedburner.com/~ff/reuters/topNews?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/reuters/topNews?i=QOpfo_eZEvc:np5iEw3emL8:V_sGLiPBpWU) (http://feeds.feedburner.com/~ff/reuters/topNews?i=QOpfo_eZEvc:np5iEw3emL8:-BTjWOF_DHI) (http://feeds.feedburner.com/~r/reuters/topNews/~4/QOpfo_eZEvc)