Dissent Labor MK Eitan Cabel vowed Thursday to take the Histadrut labor federation to court to challenge the results of Tuesday’s leadership race, even though he lost by a huge margin to incumbent Histadrut chief Ofer Eini. With Labor neo-liberal Eini led Cabel, 66.5% t to 33.4%. Eini’s Ogenim list for the Histadrut convention received…