File photo of a member of SEIU United Service Workers West holding a sign before a public viewing of President Obama's speech on immigration in Los Angeles

 
File photo of a member of SEIU United Service Workers West holding a sign before a public viewing of President Obama
Blanca Flores, a member of Service Employees International Union (SEIU) United Service Workers West, holds a sign before a public viewing of President Barack Obama's speech on immigration in Los Angeles, California in this January 29, 2013 file photo. REUTERS/Mario Anzuoni/Files