U.S. President George W. Bush (C) speaks about immigration alongside Homeland Security Secretary Michael Chertoff (L) and Commerce Secretary Carlos Gutierrez on the South Lawn of the White House in Washington May 17, 2007. A bipartisan group of U.S. senators reached agreement on Thursday on an immigration reform bill that would legalize millions of illegal immigrants and establish a merit-based system for future migrants, lawmakers said. REUTERS/Jason Reed (UNITED STATES)