In an effort to stem the immensely negative tide of outrage over its Dzhokhar Tsarnaev cover, Rolling Stone has published the accompanying piece in full over at its website. While the wisdom in putting Tsarnaev’s picture on the cover remains dubious, there’s no denying that the article itself is a fascinating, insightful and furious piece of investigative journalism. The once mighty magazine’s role as gate keeper of cool has faded, but it’s quietly transformed itself into one of the world’s better sources for whip-smart reporting …