Story highlights Scott Nova: Labor rights problems at Apple's supplier factories an issue for years Apple joined an organization called the Fair Labor Association to audit its supply chain Nova: If Apple wants to improve labor practices, it should reach out to independent groups Nova: If Apple genuinely "cared about every worker," it would pay every worker a living wage Apple's CEO Tim Cook says the company "cares about every worker" in its factories and that "no one in (the) industry is...