The PRI ruled Mexico unchallenged from the 1920 's until 2000 , when Vicente Fox of the right-wing PAN -LRB- National Action Party -RRB- was elected president .
Vicente Fox /business/person/company Mexico
DT NNP VBD NNP JJ IN DT CD POS IN CD , WRB NNP NNP IN DT JJ NN -LRB- NNP NNP NNP -RRB- VBD VBN NN .
Vicente Fox
PERSON
Mexico
LOCATION
/business/person/company