US President Barack Obama has arrived in Ghana on his first official visit to sub-Saharan Africa.Joined by wife Michelle and their two daughters, Obama’s roots in Africa through his Kenyan father, assured him of a hero’s welcome as he landed in the capital Accra. Greeted by President John Atta Mills, Ghana was singled out by the US administration as an example of democracy and economic reform. During the trip, Obama is expected to stress the importance of good governance across the African continent. He is also due to visit Cape Coast Castle, a fort used during the time of the transatlantic slave trade. In Accra, the arrival was eagerly awaited. “I am excited. It is like a dream come true to every young person, male or female, that being ambitious is the first thing anyone should pursue,’‘ one woman said. Many Ghanaians have also written songs to mark the visit.