Federal Reserve Chairman Ben Bernanke, speaking at the the central bank summit in Jackson Hole Friday, says high U.S. unemployment is a “grave concern” and that the Fed will provide more help if the economy doesn’t improve. A purebred Yellowstone bison is growing up at the Bronx Zoo after scientists were able to successfully implant a genetically pure embryo into a commercial bison. Doug Randall has the details. Click past the jump to listen to Wyoming Radio News.

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