Tribal land buybacks: a commercial route to social justice

In part two of a two-part series, Special Correspondent Kira Kay reports on the Nez Perce tribe and its efforts to regain control of part of the 7.5 million acres of land granted to it by the U.S. government in the mid 19th century. Reclaiming that land, which was almost all taken after the tribe was violently driven away, has meant taking a more commercial approach to social justice.