Nana Akufo-Addo has been sworn in as Ghana's new president after beating John Mahama in last month's election. Heads of state from across Africa and thousands of guests and dignitaries watched him take the oath of office at a ceremony in the capital, Accra. Mr Akufo-Addo, a 72-year-old former human rights lawyer, promised free high school education and more factories. <br/><br/>Taking the oath of office in the capital's Independence Square yesterday, he promised to protect and defend Ghana's constitution. Mr Akufo-Addo said he would reduce taxes to boost the economy, adding that Ghana was now opened for business again.<br/> '<br/>Mr Akufo-Addo's inauguration represents the latest peaceful handover of power in Ghana.