cnn's beijing bureau chief is worth a read. you can find it all on the reliable sources blog on cnn.com. thanks for watching this week. i'd love to hear what you thought of today's show on facebook and twitter. i hope you all have a merry christmas and we'll see you right back here live next week sunday at 11:00 a.m. "state of the union with candy crowley" begins right now. dozens of americans trapped inside an increasingly unstable south sudan. and imbalance at the nsa, security versus privacy. today a panel the president appointed tells him to rein in the national security agency. >> whatever benefits the configuration of this program may have may be outweighed by the concerns that people have on this potential abuse. and if that's the case, there may be another way of skinning the cat. >> we talked to democrat joe