a year or so ago , i wrote a column about ray gatchalian , an oakland fire captain , who produced the video `` unheard voices `` that aired on pbs about the children of war-ravaged el salvador . ; ray , who ca n't sit still , is running across the united states , having left on flag day from the francis scott key monument in golden gate park with 19 other runners who plan to hit the francis scott key bridge in washington , d. c. on july 2 .