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Wisconsin Gov. Scott Walker is fighting back opponents who want him out of office. If organizers gather more than 500,000 signatures in 60 days, a new election will be held in 2012. Host Michel Martin speaks with Gov. Walker, who defends his record and criticizes the recall effort that began Tuesday.

Opponents of Republican Gov. Scott Walker have 60 days to collect 500,000 signatures to force the governor to face a recall election next spring. But getting those signatures in this sharply divided state may pose a bit of a challenge.