Week in Pictures: 31 - 6 January 2012

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Former Egyptian President Hosni Mubarak lies on a stretcher while being transported to the courtroom at the police academy in Cairo January 5, 2012. Egyptian prosecutors sought on Wednesday to prove Mubarak guilty of responsibility for the killings of pro

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South Africa's Giniel De Villiers and co-pilot Germany's Dirk Zitzewitz drive their Toyota during the seventh stage of the fourth South American edition of the Dakar Rally 2012, in Copiapo January 7, 2012. REUTERS/Jacky Naegelen (Chile - Tags: SPORT MOTO

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Members of the media take pictures of Republican presidential candidate and former Pennsylvania Senator Rick Santorum (L) during a campaign stop in Concord, New Hampshire January 5, 2012. REUTERS/Eric Thayer (UNITED STATES - Tags: POLITICS ELECTIONS)

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A young surfer sails his board off a wave as large swells hit the California coastline at dusk in Cardiff , California January 5, 2012. REUTERS/Mike Blake (UNITED STATES - Tags: SOCIETY ENVIRONMENT)