Apple partner Foxconn said two workers at one of its manufacturing facilities died last week, The Wall Street Journal reports. A 31-year-old employee at the Zhengzhou plant that specializes in production of Apple devices climbed to the top of the building and leapt to his death after finishing his night shift on an iPhone assembly line Wednesday night. The man had been on the job only a month, prompting one fellow Foxconn employee to ask, “Why is…