North Korean leader Kim Jong-il added his brother-in-law to a military board . But the secretive nation shields its internal affairs from international scrutiny . The move comes as the U.S. and South Korea are conducting joint exercises in the Yellow Sea this week. Jang Song Thaek is considered to be Kim 's right-hand man .
North Korean leader Kim Jong-il added his brother-in-law to a military board . The move comes as the U.S. and South Korea are conducting joint exercises in the Yellow Sea this week. Jang Song Thaek is considered to be Kim 's right-hand man .