Have you had a colleague who is disinterested, destructive, or even undermining? Rachel Frieder is part of a study that looks for ways to control these workplace saboteurs. Also: There can be a dark side to creativity. Gayle Dow looks at malevolently creative people who are constantly thinking of new ways to create havoc and do us harm. And: End of Telework? Kevin Rockmann has found in his research that having a number of people work off-site has negative side effects on the folks who do come into the office everyday.

Later in the show: Lynn Zoch, a national name in the field of PR, gives us a look at the history of the industry in the 20th century—from Rockefeller’s handling of the Ludlow Massacre in his Colorado mines to the 1929 campaign for women to smoke “Torches of Freedom.” Also: Jim Hentz studies the nature of war in Africa and in countries like Sierra Leone and Liberia conflict in the region. Plus: Dr. William Petri is Chief of the Division of Infectious Diseases & International Health at the University of Virginia. He studies diseases in the developing world and how to contain them.