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Front-running presidential candidate Mayor Rodrigo Duterte gestures during his second news conference after voting in a polling precinct at Daniel R. Aguinaldo National High School, Matina district, his hometown in Davao city in southern Philippines Monday, May 9, 2016. Duterte was leading by a wide margin in unofficial tallies but still refuses to claim victory. (AP Photo/Bullit Marquez)
Front-running presidential candidate Mayor Rodrigo Duterte gestures during his second news conference after voting in a polling precinct at Daniel R. Aguinaldo National High School, Matina district, his hometown in Davao city in southern Philippines Monday, May 9, 2016. Duterte was leading by a wide margin in unofficial tallies but still refuses to claim victory. (AP Photo/Bullit Marquez)

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    Who is Rodrigo Duterte?

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Who is Rodrigo Duterte?

He's caused outrage with inflammatory comments on rape and murder, but Philippines presidential candidate Rodrigo Duterte is poised to become its next president. CNN's Alexandra Field reports.

Who is Rodrigo Duterte?

He's caused outrage with inflammatory comments on rape and murder, but Philippines presidential candidate Rodrigo Duterte is poised to become its next president. CNN's Alexandra Field reports.