As the focus of protest against a hated war in Vietnam it became one of the best-known company names in America almost overnight during the 1960s. "Dow makes napalm, napalm kills babies," chanted student protesters on hundreds of campuses during that war. "Dow shalt not kill." This feisty company did not back off from making napalm (it was the only U.S. company that did not), and it was soon embroiled in other front-page controversies--Agent Orange,...