By Kathy Blumenstock, Washington Post Staff Writer, TV Week, Page 5(Exerpt) Actor Harvey Keitel, star of ABC's "The Path to 9/11", said he believes movies and TV programs detailing what happened that day are important.......Filming the story behind the attacks "evoked in all of us...a sense of responsibility to the heroes of that day, to be as truthful as is humanly possible to honor them," (Harvey) Keitel said. "There isn't anyone from the top on down to the caterer and prop master who didn't have it in their bones to get it right."Keitel, who lives in New York's TriBeCa...