In the seven weeks since Republican Gov. Jan Brewer signed Arizona's tough new immigration law, there has been a sharp increase in the number of Latinos registering to vote as Democrats, party officials say, jumping from about 100 a week before to 500 now.
Many of those registering are young Latino citizens whose parents may be undocumented.
"Before, it used to be hard," said Luis Heredia, executive director of the Arizona Democratic Party. "Now, they are just saying, 'Can you give me a form?' or, 'I am already registered, but I know someone who isn't.' "
Heredia and others who watch voting trends aren't surprised.
As soon as Brewer signed the law on April 23, they began predicting that Senate Bill 1070 would ignite a political backlash similar to what happened in California after voters there passed Proposition 187, a ballot initiative to clamp down on illegal immigration by prohibiting undocumented people from receiving health care, public education and other services.
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http://www.azcentral.com/news/election/azelections/articles/2010/06/08/20100608arizona-immigration-law-backlash.html#ixzz0qGpi90AiIt goes on to mention the California measure led to an increase of the Latino population joing the Democratic party.