In their new book, "The Distracted Mind", neuroscientist Adam Gazzaley and psychologist Larry Rosen, look at what happens to our brain when we are constantly bombarded by technological interruptions.
Guest Host: Susan Page
Dictators as well as legitimate political leaders often manipulate history to justify their actions. Why knowledge of the past is critical to democracy and how history has been used and abused.
- Margaret MacMillan historian; author of "Paris 1919," "Nixon and Mao" and "Women of the Raj."
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