But in Bolivia , the eradication has come with a high social cost , with displaced coca farmers joining protests that led two presidents to quit in the past 20 months , including Carlos Mesa last week .
Carlos Mesa /people/person/nationality Bolivia
CC IN NNP , DT NN VBZ VBN IN DT JJ JJ NN , IN JJ NN NNS VBG NNS WDT VBD CD NNS TO VB IN DT JJ CD NNS , VBG NNP NNP JJ NN .
Carlos Mesa
PERSON
Bolivia
LOCATION
/people/person/nationality