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Generally as you signed a joint return you are responsible for all information on that return.
If you want to distance yourself from your husband' tax obligations - you should either file a separate tax return or claim an innocent spouse relief.
Filing with married filing separate status - may eliminate some credits and deductions.
An innocent spouse can get relief when the other spouse makes false reports on a joint return. - http://www.irs.ustreas.gov/pub/irs-pdf/f8857.pdf