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Apple CEO Tim Cook appeared with Brian Williams on NBC News last night, and confirmed that the company will bring production of some iMacs to the United States in 2013. It’s largely a PR move, even with the $100 million Cook says Apple will spend to shift assembly to the US. The company currently has a $121.3 cash on hand, and as Paul Thurrott notes, Mac sales represent just 15 percent of Appleā€™s revenues. That $100 million is a small portion of the $23.2 billion in Mac sales that Apple scored last year.

Cook also spoke to Bloomberg News about the move. Ironically, it was Cook who moved Apple production to China a decade ago.