State Department’s Burns touring South America

State DepartmentÆs Burns touring South America Undersecretary of State for Political Affairs Nicholas Burns is on a four-day tour of South America this week, meeting with the presidents of Chile and Uruguay and the foreign minister of Brazil.
   A statement from the State Department said Burn will be consulting with leaders on a broad range of political and economic issues, including regional and global security, environmental protection, energy and trade.
   In Brazil, he is also focusing on U.S.-Brazil cooperation on development of biofuels.