Brazilian Honor guards prepare for the arrival of US President Barack Obama at Palacio do Planalto (The Planalto Palace) prior to meetings with Brazilian President Dilma Rousseff 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)