This has been a week of difficult coverage on The Takeaway. The deadly shooting in Tucson left us grappling with difficult questions ? not only about the victims and their families, but also about gun control, mental illness, political discourse, extremism, the media and free speech ? questions that cut to the very heart of Americans values. What can we learn from the Arizona shooting? How should we reflect on this terrible tragedy? Joining us to unpack these questions is Time Magazine's Editor-at-Large David Von Drehle, author of "The Real Lesson of the Tucson Tragedy" in this week's issue.

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