(NEWSER) - World leaders wanting to pal around with President Obama could learn from his easy banter with Brazil's president, Reuters reports. Visiting the White House today, Luiz Inacio Lula da Silva and Obama got reporters laughing. "You know, I would love a trip to the Amazon," Obama said after an invitation from Lula. "I suspect that the Republican Party would love to see me travel through the Amazon—and maybe get lost." More»