Bernie's Wisconsin ace in the hole Apr 4, 2016 22:07:45 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bot on Apr 4, 2016 22:07:45 GMT -5 Bernie's Wisconsin ace in the holeby gdebenedetti@politico.com (Gabriel Debenedetti) Open primaries have been good for the Vermont senator.www.politico.com/story/2016/04/bernie-sanders-wisconsin-open-primary-221529