New Documents Reveal Cold War Chemical Testing Conducted on U.S. Neighborhoods : Dr. Lisa Martino-Taylor, a professor of sociology at St. Louis Community College and married mother-of-two began her research into secret United States government Cold War spraying of toxic chemicals in residential neighborhoods several years ago, when two colleagues who grew up in the area wondered if the experiment was the cause of their cancers. What Dr. Martino-Taylor uncovered was shocking, and she lays out the entire matter in this disturbing interview (15:36).