Nigeria's President Goodluck Ebele Jonathan attends Emancipation Day celebrations in Trinidad and Tobago's capital city of Port of Spain August 1, 2012. President Jonathan and his wife Patience Faka Jonathan were in the country on a three-day state visit. Emancipation celebrations are held annually in Trinidad and Tobago to commemorate the freedom of people of African descent from slavery. REUTERS/Andrea de Silva (TRINIDAD AND TOBAGO - Tags: POLITICS ANNIVERSARY HEADSHOT)