Since the official count , Mr. Lopez Obrador , 52 , a former mayor of Mexico City who champions the cause of Mexico 's poor , has been playing a high-stakes game of brinksmanship , appearing on television to hurl allegations of fraud and leading mass demonstrations to demand a recount .
Mexico City
Mexico
/location/administrative_division/country
Mexico
Mexico City
/location/location/contains
Mexico
Mexico City
/location/country/capital
Mexico
Mexico City
/location/country/administrative_divisions
LOCATION
Mexico City
LOCATION
Mexico