The Guardian‘s editor Katharine Viner and its head of national news Archie Bland were warned in advance that late academic Jason Arday was endangered by its planned attack on him, according to a newly-released email. They published anyway. The pair were also warned that the Guardian’s “unfounded” attacks on Arday were at least potentially motivated by a personal grudge and that running the story would breach the paper’s own editorial code: Racist scandal fomented by the Guardian Arday died on 14 August, reportedly by suicide, after a campaign of attacks launched by racial supremacist Nathan Cofnas, an Israel supporter who claims that…