Arizona voter registration lawsuit

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TUCSON, Ariz. -- The Green and Libertarian parties are suing Arizona over its new voter registration forms.

They're asking a federal judge to throw them out, claiming they're discriminatory and unconstitutional.

The old form required people to fill in the name of their party choice.

The new one, mandated by the legislature last session, provides three choices: Republican, Democrat or Other.

The lawsuit claims that term minimizes the two other parties.