Both The Wall Street Journal and Bloomberg are reporting that Foxconn has begun hiring new workers in support of iPhone 5S production. The articles follow a separate report from The Wall Street Journal earlier this month claiming that production on the new iPhone would begin this quarter ahead of a potential summer launch. From today's Wall Street Journal report:A company spokesman declined to elaborate on production plans, only saying that Foxconn will continue to expand its workforce in Zhengzhou to meet seasonal demand from clients. But executives familiar with the situation said the company has stepped up hiring in Zhengzhou because it is pre