Obama Calls Chicago's Pullman District a 'Milestone' in US Journey

President Barack Obama and others are trying to preserve U.S. historic sites and ecologically important areas so the lessons of the past can inform future generations. This week, he gave national monument status to the Pullman Historic District in Chicago, where Pullman luxury rail cars were made in the late 1800s and early 1900s. VOA’s Kane Farabaugh reports.

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