Outside the Supreme Court Hearing on Arizona Law-- PICTURES

Leonida Martinez (left) of Phoenix and others take part in a demonstration in front of the Supreme Court in Washington on Wednesday, April 25, as the Court questions Arizona's "show me your papers" immigration law.    (AP Photo/Charles Dharapak)

A supporter of Arizona's immigration law, who declined to be identified, demonstrates in front of the Supreme Court on Wednesday.      (AP Photo/Charles Dharapak)

Raul Murrillo (far left), director of Hermandad Mexicana Nacional, joins the Coalition for Humane Immigrant Rights of Los Angeles during a vigil outside the Los Angeles federal court to denounce Arizona's immigration enforcement on Tuesday. The Supreme Court will referee another major clash between the Obama administration and the states on Wednesday as it hears arguments over Arizona's crackdown on illegal immigrants.    (AP Photo/Damian Dovarganes)

Charles Balogh, from Alexandria, Va., demonstrates in front of the Supreme Court in Washington on Wednesday as the Court holds a hearing on Arizona's immigration law.    (AP Photo/Charles Dharapak)

Members of the public line up outside the Supreme Court in Washington, Wednesday, April 25, 2012, as the court held a hearing on Arizona's "show me your papers" immigration law .    (AP Photo/Charles Dharapak)

Jim Shee, an Arizona resident stopped twice in one month by police for what he says was the color of his skin, stands outside the Supreme Court before a hearing on the Arizona immigration law SB 1070 on Wednesday, April 25, 2012.  (Chet Susslin)

Opponents of Arizona's strict immigration law shout slogans in English and Spanish in front of the Supreme Court.  (Chet Susslin)

Father Jacek Orzechowski holds a sign and stands in protest of the Arizona immigration law.  (Chet Susslin)

Protesters in support of the Arizona immigration law hold signs outside the Supreme Court.  (Chet Susslin)

Arizona Gov. Jan Brewer speaks to reporters outside the Supreme Court in Washington, Wednesday, April 25, 2012, after the court's hearing on Arizona's "show me your papers" immigration law. (AP Photo/Charles Dharapak) (AP Photo/Charles Dharapak)