Brazil seeks to boost ties with U.S
03/15/2009 2:21 PM
03/15/2009 2:22 PM
On the eve of Brazilian President Luiz Inacio Lula da Silva's visit today to the White House to discuss trade, energy and global warming issues, U.S. diplomats reacted coolly to his other agenda item: his offer to mediate with Venezuela's Hugo Chavez.
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