U.S. Treasury Secretary Janet Yellen told China's Premier Li Qiang on Friday in the Chinese capital that Washington seeks "healthy competition" with Beijing, not a "winner-take-all" approach, according to U.S. media reports.Yellen, on her first trip to the Asian powerhouse as Treasury chief, also reportedly said the United States will, in certain circumstances, need to "pursue targeted actions to protect its national security."Yellen's four-day China visit through Sunday is intended to help improve ties that have become strained amid an intensifying rivalry between the world's two largest e…READ FULL ARTICLE