'This Week': Powerhouse Puzzler

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'This Week': Powerhouse Puzzler

by ABC News Videos 0:52 mins

'This Week': Powerhouse Puzzler

by ABC News Videos 0:52 mins

The 'This Week' powerhouse roundtable takes our political trivia challenge.

Yahoo News with Katie Couric

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    Cancer’s Most Controversial Surgery

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    Cancer’s Most Controversial Surgery

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    Germanwings crash investigation

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    Sidney Farber & Lifting the Shame of Cancer

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    #FindKatrinaGirl: Master Sergeant Mike Maroney give the story behind the viral photo