Songstress tells Arnon Giladi to mind his own business, after council member says event should be canceled over views he calls anti-Zionist By Jessica Steinberg Singer Achinoam Nini performs during a memorial ceremony for the late Yossi Sarid, on January 12, 2016. (Tomer Neuberg/Flash90) Singer Achinoam Nini, known for her outspoken support for a two-state solution…