Harvard pathologist Mark Rubin says such a genetic fingerprint would have far more predictive power than current methods.

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"We are probably overtreating a lot of patients, " says Harvard Medical School pathologist Mark Rubin, who is working on DNA tests to predict the future aggressiveness of a tumor.

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Infinity Ward head Mark Rubin calls Ghosts "a new sub-brand" in the CoD franchise, and it's getting a new (unnamed) game engine to boot -- another indicator that previous characters aren't involved.

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