© Reuters. Protester takes part in a protest against what protesters say is the death of Guatemalan democracy in Guatemala City By Alexandra Alper and Enrique Pretel GUATEMALA CITY (Reuters) - Guatemalans still reeling from a graft scandal that felled their president this week, head to the polls on Sunday to elect a new leader, though a tight race is seen heading to a second round run-off. Otto Perez resigned as president on Thursday, and was jailed while a judge weighs charging him in a customs corruption racket that gutted his government and plunged the poor Central American country into its worst political crisis in decades. Voter anger over corruption has helped a little-known comedian to surge in opinion polls, while the three main contenders have vowed a crackdown on graft after mass protests on the streets. Recent polls show Jimmy Morales, a 46-year-old centrist and actor whose slogan "not corrupt, not a thief," has resonated with disenchanted voters, is head to head with earlier favorite Manuel Baldizon, 45, a conservative businessman. After maintaining a sizeable lead over Morales for... More