Arab expert on Middle East crisis President Obama is expected to visit Turkey during his first Middle East visit. Turkey's government has offered to mediate with Iran. Better relations with Iran is just one of the ways in which the Obama administration is trying to change direction in the Middle East.9:06 a.m.
Rashid Khalidi: Edward Said Professor of Arab Studies at Columbia University in New York. His new book is "Sowing Crisis: The Cold War and American Dominance in the Middle East."
The science of emotional survival Though scientists consider competition to be a major motivator for human behavior, complex emotions like modesty and love also have a valuable role in social groups.10:06 a.m.
Dacher Keltner: Professor of psychology at the University of California at Berkeley. He's the author of "Born to be Good."