5/6: How did Katherine Russell become Mrs.Tamerlan Tsarnaev?; Candid Vietnam War photos rediscovered

      |Those who knew Katherine Russell wonder how she went from an outgoing, daughter of a doctor in high school, to a quiet wife on welfare who converted to Islam; Also, since becoming president, Park Geun-hye has taken a hardline approach to North Korea; And, pictures taken by a battalion photographer have been salvaged from a shoe box and put on display in Portland.

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