Rupert Murdoch gave the cold shoulder to his largest shareholder , John C. Malone , yesterday by extending a poison pill that blocks Mr. Malone 's Liberty Media Corporation from buying more shares of Mr. Murdoch 's News Corporation .
Rupert Murdoch
News Corporation
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News Corporation
Rupert Murdoch
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John C. Malone
Liberty Media Corporation
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Rupert Murdoch
PERSON
John C. Malone
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Malone
ORGANIZATION
Liberty Media Corporation
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Murdoch
ORGANIZATION
News Corporation