Republican is accused of improperly claiming more than $9,000 in funds meant to subsidize housing costs for members of CongressSign up for the Breaking News US email to get newsletter alerts in your inboxNancy Mace, a Republican representative, is under investigation by the House ethics committee over allegations that she may have improperly claimed more than $9,000 in reimbursements meant to subsidize housing costs for members of Congress.According to a report from the nonpartisan Office of Con...