Scientists ...at an American Film Institute workshop. LA -Tucked away in ...Hollywood...an elite group of scientists from across the country and from a grab bag of disciplines - rocket science, nanotechnology, genetics, even veterinary medicine - has gathered this week to plot a solution to what officials call one of the nation's most vexing long-term national security problems. Their work is being financed by the Air Force and the Army, but the Manhattan Project it ain't: the 15 scientists are being taught how to write and sell screenplays. At a cost of roughly $25,000 in Pentagon research grants, the American...