Brazilian Presidency of Brazilian President Dilma Rousseff (L) greeting US Vice-President Joe Biden during her second term inauguration in Brasilia, on January 1, 2015. The 67-year-old left-wing former urban guerrilla begins her second term Thursday, aiming to get economic growth back on track, and to rebuild government credibility after a major kickbacks scandal.
Credito: Roberto Stuckert Filho/PR