Joint Chiefs of Staff Chairman Adm. Mike Mullen, at a news conference Wednesday in Seoul with his South Korean counterpart, Gen. Han Min-koo, says China appears "unwilling" to pressure the North. (Associated Press)

Photo by: Kim Jae-hwan

Joint Chiefs of Staff Chairman Adm. Mike Mullen, at a news conference Wednesday in Seoul with his South Korean counterpart, Gen. Han Min-koo, says China appears "unwilling" to pressure the North. (Associated Press)