Title: Cristovam Buarque, Tarso Genro e Fernando Haddad
Subjects: Politics and government, Education and state, Political and social views, Partido dos Trabalhadores (Brazil), Intellectuals, Political activity
Places: Brazil
People: Cristovam Buarque, Fernando Haddad, Tarso Fernando Genro
Time periods: 1985-2002, 2003-