Peace at stake in Colombia's scandal-tainted presidential vote - Reuters

Colombians vote on Sunday in a tightly fought presidential election that has seen the top two candidates tainted by scandal as they wrestle over the pivotal issue of how to end a five-decade insurgency by Marxist FARC rebels.

The battle for the presidential palace in Latin America's No. 4 economy is between incumbent leader Juan Manuel Santos and bitter rival Oscar Ivan Zuluaga, a right-wing economist whose late surge in polls has left them neck-and-neck.

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