AAOL_Say_CanvasOL is losing more key writers and editors, including the head of AOL News. Mike Nizza the editor in chief of AOL News is decamping for News Corp.   World editor James Graff is departing to take the managing editor position at The Week and James Burnett, AOL’s enterprise editor,  left for Rolling Stone.  Daily Finance Senior Writer Sam Gustin is headed to Wired.