
U.S. President Barack Obama (L) walks with President of Brazil Luiz Inacio Lula da Silva (R) after their meeting at the Oval Office in the White House, Washington, DC, USA, on 14 March 2009. Obama and Lula were expected to discuss alternative energies, the global economy and the approaching Group of 20 meeting of leading and developing economies. EPA/MICHAEL REYNOLDS

U.S. President Barack Obama (L) walks with President of Brazil Luiz Inacio Lula da Silva (R) after their meeting at the Oval Office in the White House, Washington, DC, USA, on 14 March 2009. Obama and Lula were expected to discuss alternative energies, the global economy and the approaching Group of 20 meeting of leading and developing economies. EPA/MICHAEL REYNOLDS

U.S. President Barack Obama (L) walks with President of Brazil Luiz Inacio Lula da Silva (R) after their meeting at the Oval Office in the White House, Washington, DC, USA, on 14 March 2009. Obama and Lula were expected to discuss alternative energies, the global economy and the approaching Group of 20 meeting of leading and developing economies. EPA/MICHAEL REYNOLDS

U.S. President Barack Obama (R) meets with the President of Brazil Luiz Inacio 'Lula' da Silva in the Oval Office of the White House in Washington, D.C., U.S., 14 March 2009. EPA/JOSHUA ROBERTS / POOL

President of Brazil Luiz Inacio 'Lula' da Silva (L) speaks with U.S. President Barack Obama (R) during a meeting in the Oval Office of the White House in Washington, D.C., U.S., 14 March 2009. EPA/JOSHUA ROBERTS / POOL

U.S. President Barack Obama (R) talks with President of Brazil Luiz Inacio Lula da Silva (L) during their meeting at the Oval Office in the White House, Washington, DC, USA, on 14 March 2009. Obama and Lula were expected to discuss alternative energies, the global economy and the approaching Group of 20 meeting of leading and developing economies. EPA/MICHAEL REYNOLDS

President of Brazil Luiz Inacio 'Lula' da Silva speaks with U.S. President Barack Obama (unseen) during a meeting in the Oval Office of the White House in Washington, D.C., U.S., 14 March 2009. EPA/JOSHUA ROBERTS / POOL

U.S. President Barack Obama listens to with President of Brazil Luiz Inacio 'Lula' da Silva (unseen) during a meeting in the Oval Office of the White House in Washington, D.C., U.S., 14 March 2009. EPA/JOSHUA ROBERTS / POOL

U.S. President Barack Obama (L) walks with President of Brazil Luiz Inacio Lula da Silva (R) after their meeting at the Oval Office in the White House, Washington, DC, USA, on 14 March 2009. Obama and Lula were expected to discuss alternative energies, the global economy and the approaching Group of 20 meeting of leading and developing economies. EPA/MICHAEL REYNOLDS