Obama blocks Chinese company's purchase of 4 Oregon wind farms

http://www.latimes.com/news/nation/nationnow/la-na-nn-obama-china-windfarm-20120928,0,2774336.story

President Obama stepped in to nullify the acquisition of four Oregon wind farms by a Chinese-owned company, citing “credible evidence” that the company “might take action that threatens to impair the national security of the United States.”