Philadelphia Mayor Michael Nutter, left, and New York City Mayor Michael Bloomberg listen as President Obama speaks about immigration reform, Thursday, July 1, 2010, at American University in Washington. (AP Photo/Charles Dharapak)
**FILE** President Obama adjusts the collar of Mort Zuckerman, chief executive officer of U.S. News and World Report (right), as Janet Murguia, president and CEO, National Council of La Raza, looks on, after Obama spoke about immigration reform on July 1, 2010, at American University in Washington. (Associated Press)
President Barack Obama adjusts the collar of Mort Zuckerman, Chief Executive Officer of U.S. News and World Report, right, as Janet Murguia, President and CEO, National Council of La Raza, looks on, after Obama spoke about immigration reform, Thursday, July 1, 2010, at American University in Washington. (AP Photo/Charles Dharapak)
Philadelphia Mayor Michael Nutter, left, and New York City Mayor Michael Bloomberg listen as President Barack Obama speaks about immigration reform, Thursday, July 1, 2010, at American University in Washington. (AP Photo/Charles Dharapak)
U.S. President Barack Obama speaks on immigration reform at American University in Washington on July 1, 2010. UPI/Dennis Brack/Pool
President Barack Obama outlines the need for immigration policy overhaul during a speech at the American University School of International Service in Washington, Thursday, July 1, 2010. (AP Photo/J. Scott Applewhite)
President Barack Obama is embraced by Rev. Al Sharpton after Obama spoke about immigration reform, Thursday, July 1, 2010, at American University in Washington. (AP Photo/Charles Dharapak)
President Barack Obama arrives to speak about immigration, Thursday, July 1, 2010, at American University in Washington. (AP Photo/Charles Dharapak)
From left, Rev. Al Sharpton, Janet Murguia, President and CEO, National Council of La Raza, and Mort Zuckerman, Chief Executive Officer of U.S. News and World Report, wait for President Obama, who spoke about immigration reform, Thursday, July 1, 2010, at American University in Washington. (AP Photo/Charles Dharapak)
