Tunisian presidential candidate Beji Caid Essebsi , right, delivers his speech during his last campaign rally in Tunis, Friday, Dec. 19, 2014. Tunisians must decide Sunday between Beji Caid Essebsi, an 88-year-old veteran of previous regimes, and Moncef Marzouki, a 75-year-old human rights activist who is the outgoing interim president. For the third time in just two months, Tunisian voters will head to the polls this weekend, this time to elect a president in a runoff vote that presents a stark choice between the country's past and its Arab Spring revolution. (AP Photo/Hassene Dridi) (The Associated Press)
TUNIS, Tunisia – Tunisians are heading to vote for a president in a runoff between a symbol of the country's previous regimes and a veteran human rights activist that came to power after the revolution of 2011.