The energy-rich nation of Qatar is pledging to fully eliminate a labour system that ties foreign workers to their employer and requires them to have their company's permission to leave the country. According to the United Nations' International Labor Organization, said yesterday that Qatar planned to end the so-called 'kafala' system there.<br />''<br />''The ILO says workers would be able to freely change employers under draft laws described as being 'expected to come into force by January 2020. The ILO says Doha is also considering a minimum wage.<br />