LOS ALAMOS / Plutonium could be missing from lab / 600-plus pounds unaccounted for, activist group says

LOS ALAMOS / Plutonium could be missing from lab / 600-plus pounds unaccounted for, activist group says: "Enough plutonium to make dozens of nuclear bombs hasn't been accounted for at the UC-run Los Alamos National Laboratory in New Mexico and may be missing, an activist group says in a new report."