Full poll:
http://www.publicpolicypolling.com/main/2016/03/sanders-leads-in-wisconsin-gop-race-close-va-privatization-issue-hurts-johnson.html2-way race:
Cruz 49%
Trump 41%
Kasich 46%
Trump 44%
fav/unfav % among their own party:
Sanders 74/13% for +61%
Clinton 60/24% for +36%
Kasich 52/30% for +22%
Cruz 50/36% for +14%
Trump 45/48% for -3%
Cruz favorability margin among…
Kasich supporters: -18%
Trump supporters: -42%
Kasich favorability margin among…
Cruz supporters: +20%
Trump supporters: -3%
Trump favorability margin among…
Cruz supporters: -64%
Kasich supporters: -68%