Welfare reform has been described as the biggest seachange in social policy in the U.S. since the 1930's. That being said, the changes are so new, there is little hard data on the larger impacts of reform. Delegates to a national conference on domestic abuse in Duluth last week were concerned at increasing anecdotal evidence that welfare to work can be a dangerous transition for women in abusive relationships. And they complained a waiver to help battered women cope with welfare changes is little known and underused. Minnesota Public Radio's Amy Radil reports. The experts say domestic violence is rooted in a need for control: husbands and boyfriends who will use psychological and physical violence to make a woman dependent on them.