tragedy right after the next. pat collins is live outside of the metro center station in northwest to tell bus the latest. pat? >> reporter: metro trouble. it seems every week something bad happens to metro. at the silver spring home of michael nash, someoneeft a card of cdolence in the front door. 63-year-old michael nash, a track repairman, for metro killed bay piece of equipment while he was working on the orange line sunday. mr. nash worked for metro 21 years and he lived in the silver spring neighborhood for a long time. >> every time he saw me he says hello, how are you, how is everything going. he is a good guy. didn't hear anything bad. >> reporter: today more bad news for metro. word that on july 31, a green line train left a greenbelt station with two too many cars. a passenger alerted the operator