SEOUL, July 14 (Yonhap) -- North Korea has formally recognized the independence of two pro-Russian separatist "people's republics" in eastern Ukraine, becoming the world's third nation to do so, according to the North's state media Thursday. The North's Foreign Minister Choe Son-hui sent letters to her counterparts in the Donetsk People's Republic and the Luhansk People's Republic the previous day and recognized the entities, the official Korean Central News Agency (KCNA) said. Russia and Syria have already backed their independence. "In the letters, she informed them that the DPRK government decided to recognize the independence of the People's Republic of...