captioning sponsored by cbs this is the "cbs evening news." >> jeff: good evening, i'm jeff glor. the saga of edward snowden has taken another dramatic international turn. snowden who was holed up in hong kong, wanted in the u.s., is now in russia. it is unlikely that is his final destination. the man who leaked n.s.a. secrets and was officially charged friday with espionage was on a flight this afternoon that landed in moskow. he may soon be flying to havana, cuba, and is said to be seek asylum eventually in ecuador. charlie d'agata begins our coverage. >> reporter: he fled from hon...