Exposed encryption devices and what the CIA knew

For more than 50 years, the CIA used encryption devices to spy on its adversaries and allies. Just how much did the CIA know about the dirty deeds of military dictatorships in South America? And, Parents for Peace started out as a small support group for relatives of individuals who’ve joined extremist groups. Five years later, it has grown to include work on prevention. Plus, a Texas girl finds comfort in the Beatles after she moves to the US from Argentina and struggles to fit in.