People protest against the visit of US philosopher Judith Butler to Brazil, in Sao Paulo, on November 7, 2017. Supporters and detractors of US philosopher Judith Butler demonstrated for and against her participation in a colloquium in Sao Paulo. Conservative groups accuse her of promoting a "disastrous ideology" for her studies on gender theory. / AFP PHOTO / Nelson ALMEIDA (Photo credit should read NELSON ALMEIDA/AFP/Getty Images)
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