Newly uncovered details behind Apple's original iPhone launch have underscored the reasons why manufacturing jobs aren't likely to return to the US in large numbers. Referring to Apple's well-known decision to switch from plastic to glass for the original iPhone's touchscreen, the New York Times understood that Jobs was furious the iPhone couldn't be put in a pocket with keys and avoid display scratches. The only way to get scratch-resistant glass in a timely way was to go to Foxconn's plants in Shenzhen, where Apple from a sudden midnight notice could have them pro