Colombian presidential candidate Oscar Ivan Zuluaga waves to supporters during a campaign rally in the Bogota neighborhood of Suba May 6, 2014. Colombia will hold elections on May 25. REUTERS/John ... more 
Colombian presidential candidate Oscar Ivan Zuluaga waves to supporters during a campaign rally in the Bogota neighborhood of Suba May 6, 2014. Colombia will hold elections on May 25. REUTERS/John Vizcaino (COLOMBIA - Tags: POLITICS ELECTIONS) less 
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Reuters | Photo By JOHN VIZCAINO / REUTERS
Tue, May 6, 2014 2:55 PM EDT