Immigration Reform:reactions & response (22 images)

Participants wave flags and carry signs as thousands turn out for a May Day march and rally in support of immigrant rights in Los Angeles on May 1, 2010. UPI Photo/Phil McCarten

A composite satirical image of Nickelodeon cartoon character Dora the Explorer is seen in an image provided by FreakingNews.com. This image, among others, is sparking debate over the controversial immigration law passed in Arizona. UPI/FreakingNews.com (**EDITORIAL USE ONLY**)

Marchers make their way north on Broadway downtown during a march and rally for federal immigration reform and protest against Arizona's controversial immigration law, in Los Angeles on May 1, 2010. Dozens of marches took place across the country. UPI/Jim Ruymen

Los Angeles Metro police officers detain a protester during a demonstration organized by "We Are All Arizona" against Arizona's new controversial law SB1070, near the U.S. Immigration and Customs Enforcement offices in downtown Los Angeles on May 6, 2010. The law requires state and local police to determine people's immigration status if there is "reasonable suspicion" they are in the United States illegally. UPI/Jim Ruymen