He grew up in Lincolnshire and went to school in Reading, beginning his professional career as acting assistant stage manager at the Regent's Park Open Air Theatre.

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Booth, 58, an assistant project manager for a construction company, was treated for stage 1 breast cancer in 1999.

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Dr. James Lah, assistant professor of neurology at Emory University School of Medicine, likens this to late-stage cancer.

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Mercedes Marquez, assistant secretary at the Department of Housing and Urban Development, told CNNMoney that the initial stage of the program has been difficult, in part, because the cities and communities involved in the program have never done this work before.

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Now, after giving up her role as Doctor Who's assistant Rose, Billie Piper's career is taking another turn - towards the West End stage.

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In fact, as former assistant secretary of defense Frank Gaffney points out, the North Korean nuclear program reached its frantic climactic stage precisely during the current American moratorium on nuclear testing.

CENTERFORSECURITYPOLICY: Test-Ban Trap