[Martin Ostrow has been an award-winning documentary producer, writer and director for public, commercial and cable television for more than 30 years.] As the producer and director of a PBS film on America’s response to the Holocaust some years ago, I was at first delighted to learn that Ken Burns has now likewise made a film for broadcast on PBS about how our country responded to the Nazi genocide. But some advance publicity for the broadcast raises questions as to whether his film will accurately portray key issues such as U.S. refugee policy and the failure to bomb Auschwitz. My...