President Bush pauses as he listens to participants at the White House Conference on the Americas, Monday, July 9, 2007 in Arlington, Va.
President Bush, right, and Marie Marcelle Deschamps., left, Deputy Director and co-founder of the Haitian Study Group on Kaposi's Sarcoma and Opportunistic Infections, take part in the White House Conference on the Americas, Monday, July 9, 2007 in Arlington, Va.
President George W. Bush responds to a question Monday, July 9, 2007, during A Conversation on the Americas in Arlington, Va. The President and Mrs. Laura Bush are hosting the conference to highlight United States engagement and discuss more effective ways to deliver aid and strengthen civil society. White House photo by Chris Greenberg
President Bush, center, listens to Brazilian journalist Gilberto Dimenstein, left, and Vivian Alegria, director, of the Coca-Cola Foundation in Mexico, right, during the White House Conference on the Americas, Monday, July 9, 2007 in Arlington, Va.
President George W. Bush listens while participating in a discussion panel at the White House Conference on the Americas, in Arlington, Virginia July 9, 2007.