see more

WASHINGTON, DC - FEBRUARY 17: U.S. President Barack Obama (C) talks to reporters at the end of a meeting with newly sworn-in Defense Secretary Ashton Carter in the Oval Office at the White House February 17, 2015 in Washington, DC. Obama said he rejects a federal judge's last-minute ruling that halts his executive order on immigration and said his administration will appeal. "The law is on our side and history is on our side," Obama said. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - FEBRUARY 17:  U.S. President Barack Obama (C) talks to reporters at the end of a meeting with newly sworn-in Defense Secretary Ashton Carter in the Oval Office at the White House February 17, 2015 in Washington, DC. Obama said he rejects a federal judge's last-minute ruling that halts his executive order on immigration and said his administration will appeal. "The law is on our side and history is on our side," Obama said.  (Photo by Chip Somodevilla/Getty Images)