Paralyzed from the neck down, downtown Milwaukee resident Martha Chambers has difficulty voting. She can use a mouth stick to mark her ballot and sign her name on an absentee ballot, but she has no way of folding the ballot, slipping it back in the envelope or returning it to the mailbox. Driven by its conservative majority, the Wisconsin Supreme Court in July outlawed assistance in the absentee voting process. After that decision, Chambers worried that her caregiver — who also gets her out of bed in the morning, brushes her teeth and puts her clothes on for her — could become a criminal for e…