President and Michelle Obama will leave Washington on Wednesday for a week-long trip to three African nations, focusing on economic development, democracy building and private sector investment.

The Obamas say goodbye at the Accra, Ghana, airport after a one-day visit to the country in July 2009. (AP Photo/Charles Dharapak) The Obamas say goodbye at the Accra, Ghana, airport after a one-day visit to the country in July 2009. (AP Photo/Charles Dharapak)

Among the highlights for the president will be bilateral meetings with the leaders of Senegal, South Africa and Tanzania, visits to Senegal's supreme court and a power plant in Tanzania, tours of a slave museum in Gorree Island and the site of the prison where Nelson Mandela was held for two decades on Robben Island. Obama also will tour a community center with Archbishop Desmond Tutu in Cape Town.