US President Barack Obama and Brazilian President Dilma Rousseff (R) participate in an arrival ceremony at Palacio do Planalto (The Planalto Palace) prior to meetings in Brasilia, Brazil, March 19, 2011. Obama arrived in Brazil Saturday, calling for bolstering economic ties between the United States and Latin America to open new markets and create more jobs. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)