NEW : `` After decades of pressing for top-down reform , we need an agenda that advances democracy , security and opportunity from the bottom up . '' Sen. Obama says Cuba policy will be based on liberty for Cuban people . NEW : Democratic front-runner accuses Sen. McCain of distorting position . Score: 6 McCain argues for continuation of hard line policy against communist regime .
NEW : Sen. Obama says Cuba policy will be based on liberty for Cuban people . NEW : Democratic front-runner accuses Sen. McCain of distorting position . Score: 6 McCain argues for continuation of hard line policy against communist regime .