apologized to the head of the aid group, doctors without borders. for saturday's air strike that killed at least 22 people in northern afghanistan. the white house is promising a transparent. thorough and objective investigation. the doctor's group is calling for an international probe of what he considers a war crime. a former u.s. military intelligence official tells fox news strained relations with russia are making the fight against black market nuclear proliferation. even more difficult. we are seeing tonight how perilous that situation has become. correspondent benjamin hall has the story from london. >> a newly disclosed sting operation by moldovan police uncovered a smuggling operation in the back waters of oourp. the network, which is said to include several ex-kgb agents offered a huge amount of deadly