Cruz, Sanders, Bradley lead polling in Wisconsin

Republican Ted Cruz and Democrat Bernie Sanders are leading in a Marquette Law School poll ahead of Tuesday’s presidential primary in Wisconsin.

Cruz leads Donald Trump 40 percent to 30 percent. Kasich is at 21 percent. Sanders leads Hillary Clinton 49 percent to 45 percent. 

In a head-to-head race, the poll shows Clinton and Cruz with a tie at 44 percent. Against Trump, Clinton leads 47 percent to 36 percent.

Support for Sanders in Wisconsin has grown by 5 points since February, according to the poll.

Supreme Court candidate Rebecca Bradley is leading against JoAnn Kloppenburg 40.9 percent to 36 percent.

The poll also showed that Scott Walker’s approval rating is on the rise, up to 43 percent among all voters and 80 percent among GOP primary voters.

Wisconsin residents were also asked who they support in the U.S. Senate race this fall. Support for Russ Feingold was at 47 percent to Sen. Ron Johnson’s 42 percent.

The Marquette Law School Poll was conducted Thursday through Monday, sampling 1,405 registered voters interviewed by phone. It has a margin of error of plus or minus 3.3 percentage points. The GOP-specific data was based on 471 respondents who said they’re certain to vote. It has a margin of error of plus or minus 5.8 percentage points.