Whenever I read these "Apple is bring manufacturing back to the US" stories all I can think of is the famous exchange between Steve Jobs and the President where Jobs supposedly said flat out, "those jobs aren't coming back" [0] Granted Apply has been known to make definitive statements like that only to do a 180 not long after.
[0] http://www.nytimes.com/2012/01/22/business/apple-america-and...?