Voters go to the polls in Panama on Sunday to elect a new president. Opposition politician José Raúl Mulino is considered the favourite. Mulino, who is a close confidant of disgraced former head of state Ricardo Martinelli, wants to stop irregular migration through the Darién jungle in the south of the Central American country towards the United States. Some 3 million people are eligible to vote. Elections are also being held for a total of 71 parliamentary seats and almost 800 local offices. The constitution prohibits the direct re-election of the incumbent. Among the eight presidential candi…