Some Wisconsin State Democratic lawmakers have gone missing before an anti-union legislation vote. Meanwhile, thousands of people are protesting at Wisconsin's State Capitol.

Listen HERE to what the Wisconsin protests sound like:

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Listen HERE to Wisconsin Governor Scott Walker's reaction:

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At the heart of the battle is a bill that would strip public employees of their collective bargaining rights.

Fox News Radio's Jennifer Keiper has more from the Capitol:

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Editor's Note: At least 9 people were arrested at Thursday's protests. Tune into your local FOX News Radio affiliate for the latest on this developing story.