REUTERS
U.S. President Barack Obama, center, smiles as he joins a group photo with from left, Indonesia's President Susilo Bambang Yudhoyono, Brunei's Sultan Hassanal Bolkiah, Cambodia's Prime Minister Hun Sen and China's Prime Minister Wen Jiabao prior to a gala dinner in Phnom Penh, Cambodia on Nov. 19, 2012. (AP Photo)
WASHINGTON -- President Barack Obama and Southeast Asian leaders launched an initiative aimed at expanding trade and investment ties between the United States and 10 countries in southeast Asia, the White House said on Nov. 19.