Colombians are set to vote in the final round of the country's presidential election on Sunday.<br /><br />The race pits conservative Juan Manuel Santos, the former defence minister, against Antanas Mockus, the leftist former mayor of Bogota.<br /><br />Whoever wins the race will have to deal with ongoing rebel confrontations, improving diplomatic ties with Venezuela and soaring unemployment.<br /><br />Al Jazeera's Lucia Newman reports. (June 20, 2010)
