Scot Walker, a senior and close ally of Unite general secretary Sharon Graham, has deleted an image of himself wearing a beard-and-dreads mask. Walker had posted the image to his Facebook feed, triggering a storm of outrage at the ‘blackface’ get-up: Walker runs Unite’s so-called ‘Workers’ Economy‘, which union insiders have said Graham created to circumvent Unite’s Community section for unwaged members. Unite Community was set up by her predecessor Len McCluskey, whom Graham has long attacked with what McCluskey called “pages of smears and innuendo”. Union members and staff said that Graham planned to shut down Community if she wins…