Former U.S. President George W Bush and his family visit a Peace Corps centre in Zambia.<br/> Bush and wife Laura watch as their daughters take part in a traditional song and dance routine - with the former president also seeming to enjoy the music.<br/> Later, the former first family visit an orphanage.<br/> Bush's whistle-stop African tour, which includes Tanzania and Ethiopia, is aiming to raise health awareness across the continent.<br/> But his visit has been eclipsed by Amnesty International's call for his arrest for human rights violations during his presidency.<br/> It says the former president authorised the use of waterboarding and other interrogation techniques that are considered torture.<br/> The U.S. Department of State had no immediate comment.<br/> Bush is due to fly to Ethiopia on Sunday.<br/> Sunita Rappai, Reuters
