stories we re following this hour. attorneys for dzhokhar tsarnaev are expected to appeal his death sentence for the 2013 boston marathon bombing. tsarnaev showed no physical reaction has the federal jury handed down the punishment friday. an an assistant amtrak conductor said she heard her engineer say the train was struck by something just minutes before it derailed tuesday. another engineer reported his train had been shot at or hit by a rock. eight people were killed and more than 200 injured in tuesday ace crash. iraq, isis appears to be winning a month-long fight in ramadi. sources say they have taken over several facilities including police headquarters and a provincial government building. u.s. is expediting weapons to