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  • Brazil's Bolsonaro challenges presidential election loss

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    Inside U.S. mission aiding Colombia in fight against cartels

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Inside U.S. mission aiding Colombia in fight against cartels

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American agents are teaming up with the Colombian police force on a mission to stop drugs, weapons, and human trafficking before they make their way to the U.S. NBC News’ Julia Ainsley got exclusive access to travel with those agents and witness tense drug busts and arrests.