Hundreds of workers in Basra’s oil sector, including those seconded to fields operated by foreign oil companies, have restarted a campaign to pressure the Iraqi government to accede to demands for increased compensation, better living conditions and an end to punishment of union leaders.A rally held Tuesday outside the state-run South Oil Company (SOC) headquarters included politicians who, though not the most powerful in the country, will give the workers’ plight an added spotlight just fou…