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Obama signs legislation designating bison national mammal

President Barack Obama signed legislation elevating the nearly extinct animal because of its economic and cultural significance in the nation's history.

President Barack Obama delivers remarks in the Brady Press Briefing Room at the White House in Washington, DC, May 6, 2016. (Photo by Shawn Thew/EPA)
President Barack Obama delivers remarks in the Brady Press Briefing Room at the White House in Washington, DC, May 6, 2016.EPA

Associated Press