Incumbent Senegalese President Abdoulaye Wade holds up ballot papers before voting at a polling station during the second round of presidential polls, in the capital Dakar March 25, 2012. Senegal voted in a run-off election on Sunday pitting octogenarian President Abdoulaye Wade, whose bid for a third term has triggered violent protests, against former ally and prime minister Macky Sall. REUTERS/Finbarr O'Reilly (SENEGAL - Tags: POLITICS ELECTIONS) 

Senegal's President Abdoulaye Wade speaks to journalists at a news conference in Dakar, February 27, 2012. Wade was locked in a tight race with his main rival, Macky Sall, on Monday as unofficial vote tallies pointed to a possible run-off between the two for the leadership of one of West Africa's most stable countries. REUTERS/Joe Penney (SENEGAL - Tags: POLITICS ELECTIONS) 

Campaign posters for Senegal's incumbent President Abdoulaye Wade are seen at a campaign rally in Guediawaye, a suburb of the capital Dakar, February 22, 2012. Senegalese are due to vote in presidential elections on Sunday amid rising violence during protests against Wade's decision to run for a third term in contravention of constitutional limits. REUTERS/Joe Penney (SENEGAL - Tags: POLITICS ELECTIONS) 

Senegal's incumbent President Abdoulaye Wade attends an election campaign rally in the capital Dakar February 22, 2012. Senegalese are due to vote in presidential elections on Sunday amid rising violence during protests against Wade's decision to run for a third term in contravention of constitutional limits. REUTERS/Joe Penney (SENEGAL - Tags: POLITICS ELECTIONS TPX IMAGES OF THE DAY) 

Iranian President Mahmoud Ahmadinejad (L) holds hands with his Senegalese counterpart Abdoulaye Wade at the presidential palace in Senegal's capital Dakar November 26, 2009. Ahmadinejad arrived in Dakar during his last leg of an international tour of Latin America and Africa. REUTERS/Emilie Regnier (SENEGAL POLITICS IMAGES OF THE DAY) 

Senegal's President Abdoulaye Wade attends Independance Day celebrations in the capital Dakar, April 4, 2007. REUTERS/ Finbarr O'Reilly (SENEGAL) 

Senegal's President Abdoulaye Wade looks out over a crowd attending his inauguration ceremony in the capital Dakar April 3, 2007. REUTERS/Finbarr O'Reilly (SENEGAL) 

U.S. President George W. Bush holds the hand of Senegal President Abdoulaye Wadeas, as they look out to sea from the departure portal of The Slave House, on Goree Island in Senegal, July 8, 2003. [Goree Island was a slave trade depot for millions of Africans between the 16th and 18th centuries. Bush flew to Africa Tuesday with promises of aid and a message of hope, but his five-nation trip was likely to be overshadowed by the conflicts besetting the continent.] 

U.S. President George W. Bush holds the hand of Senegal President Abdoulaye
Wadeas, as they look out to sea from the departure portal of The Slave
House, on Goree Island in Senegal, July 8, 2003. Goree Island was a slave
trade depot for millions of Africans between the 16th and 18th centuries.
Bush flew to Africa Tuesday with promises of aid and a message of hope, but
his five-nation trip was likely to be overshadowed by the conflicts
besetting the continent. Pictures of the month July 2003 REUTERS/Kevin
Lamarque

KL/GN 

U.S. President George W. Bush holds the hand of Senegal President
Abdoulaye Wadeas, as they look out to sea from the departure portal of
The Slave House, on Goree Island in Senegal, July 8, 2003. Goree Island
was a slave trade depot for millions of Africans between the 16th and
18th centuries. Bush flew to Africa Tuesday with promises of aid and a
message of hope, but his five-nation trip was likely to be overshadowed
by the conflicts besetting the continent. REUTERS/Kevin Lamarque

KL/GN 

U.S. President George W. Bush holds the hand of Senegal President
Abdoulaye Wadeas, as they look out to sea from the departure portal of
The Slave House, on Goree Island in Senegal, July 8, 2003. Goree Island
was a slave trade depot for millions of Africans between the 16th and
18th centuries. Bush flew to Africa Tuesday with promises of aid and a
message of hope, but his five-nation trip was likely to be overshadowed
by the conflicts besetting the continent. REUTERS/Kevin Lamarque

KL/GN 

U.S. President George W. Bush holds the hand of Senegal President
Abdoulaye Wadeas, as they look out to sea from the departure portal of
The Slave House, on Goree Island in Senegal, July 8, 2003. Goree Island
was a slave trade depot for millions of Africans between the 16th and
18th centuries. Bush flew to Africa Tuesday with promises of aid and a
message of hope, but his five-nation trip was likely to be overshadowed
by the conflicts besetting the continent. REUTERS/Kevin Lamarque

KL/GN