Lack of Supreme Court action would require state to issue licenses.
Challengers given until noon to show why he should require AZ to give dreamers licenses.
Gov. Jan Brewer makes a last effort to block dreamers from getting drivers licenses.
The 9th Circuit Court rejected a plea to delay enforcing its ruling.
The state has continued to refuse to issue licenses to people in the federal Deferred Action for Childhood Arrivals program.
President Barack Obama recently announced he was expanding the Deferred Action for Childhood Arrivals.
The governor wants to delay drivers licenses for dreamers during Supreme Court appeal.
Thousands of Arizona “dreamers” could be driving here legally within days.
Maricopa County sheriff contends allowing illegal immigrants to remain and work in the U.S. is unconstitutional.
The difference: One is the parent of U.S.-born children.
She says 1996 Arizona law takes precedence over Obama administration's federal policy.
State can't withhold privilege from "dreamers," Justice Department tells appeals court.
Gov. Jan Brewer has directed the state not to give driver's licenses to those in the deferred action program.
Candidates for governor disagree on whether "dreamers" should be allowed to drive.
After U.S. District court declines force state to give dreamers licenses, appeals court is asked to intervene.
Arizona has the highest percentage of applicants for deferred action of any state.
Undocumented students could help relieve the primary care physician shortage, the study says.
Denying driving privileges can cause youth irreparable harm, appeals court rules
Stalled immigration reform has limited opportunities.
Homeland Security Secretary Jeh Johnson visiting Nogales today.