BOGOTÁ, Colombia—Voters cast ballots on Sunday in a presidential election between five candidates who offer starkly different proposals for modernizing a country that, until recently, was locked in a half-century-long guerrilla conflict.
Whoever wins will lead a resource-rich nation that is a U.S. ally in the war on drugs and a bulwark of stability in Latin America despite bordering chaotic Venezuela and its own long struggle against drug and guerrilla violence. Results are expected late Sunday.
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