The president of The United States Barack Obama (C), accompanied by his wife Michelle, receives the keys of the city of San Salvador from Mayor Norman Quijano (R), upon his arrival at the airport in the Salvadorean capital on March 22, 2011. US President Barack Obama arrived in El Salvador Tuesday on the last leg of a three-nation tour of Latin America. AFP PHOTO/JOSE CABEZAS (Photo credit should read Jose CABEZAS/AFP/Getty Images)