You do realize that’s poll of INDEPENDENTS not REPUBLICANS and taken the at beginning to middle of last week.
http://www.al.com/news/index.ssf/2016/04/wisconsin_primary_2016_who_is.html
Ted Cruz leads Donald Trump in the Republican nomination contest in Wisconsin, according to a Fox Business Network Poll released Thursday.
Cruz garners 42 percent among Wisconsin likely GOP primary voters, while Trump receives 32 percent. John Kasich comes in third with 19 percent.
Among just those who say they will “definitely” vote, Cruz’s lead over Trump widens to 46-33 percent, and Kasich gets 16 percent