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Ted Cruz’s billionaire hedge fund backer emerges as top 2016 donor

Robert Mercer has pumped more money — $11 million — into the presidential election this year than any other individual donor.

Republican presidential hopeful Senator Ted Cruz of Texas fields questions at The Family Leadership Summit at Stephens Auditorium on July 18, 2015 in Ames, Iowa. (Photo by Scott Olson/Getty)
Republican presidential hopeful Senator Ted Cruz of Texas fields questions at The Family Leadership Summit at Stephens Auditorium on July 18, 2015 in Ames, Iowa.Getty Images

Emma Margolin

Emma Margolin is a reporter at MSNBC.com.