AMD-derived GlobalFoundries broke ground today on what will become the company’s leading-edge manufacturing facility and (according to it, at least) the largest and most technically-advanced fab in the United States. The $4.2 billion facility should start production within two years, and is expected to begin volume production in 2012. Currently, GlobalFoundries predicts the plant will debut using 300mm wafers and 28nm process technology, only to transition to 22nm as it enters volume production. Those numbers