Brazil's President Dilma Rousseff (R) delivers a speech next to her Vice-President Michel Temer 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. AFP PHOTO/EVARISTO SA        (Photo credit should read EVARISTO SA/AFP/Getty Images)