Photos: U.S. presidents in Africa

Senegal President Macky Sall and his wife Marieme Faye Sall welcome President Barack Obama and first lady Michelle Obama on Thursday, June 27, at the presidential palace before meetings in Dakar. Obama arrived in Dakar late on June 26 to start his tour of Africa.

Senegal President Macky Sall and his wife Marieme Faye Sall welcome President Barack Obama and first lady Michelle Obama on Thursday, June 27, at the presidential palace before meetings in Dakar. Obama arrived in Dakar late on June 26 to start his tour of Africa.