Photos: Mahama at Brazil President Dilma Rousseff's swearing-in

President John Dramani Mahama and other world leaders including the Vice President of the United States of America, Joe Biden, were Thursday at the swearing-in ceremony of Brazil President Dilma Rousseff who takes office for a second term.

President John Dramani Mahama and other world leaders including the Vice President of the United States of America, Joe Biden, were Thursday at the swearing-in ceremony of Brazil President Dilma Rousseff who takes office for a second term.