A new Marquette Law School Poll survey of Wisconsin finds the presumptive presidential race tied, with President Joe Biden and former President Donald Trump each supported by 49% of registered voters. Among the somewhat smaller group who are considered likely voters, Trump is at 50% and Biden at 49%. ...

In a head-to-head match between Biden and Republican candidate Nikki Haley, Haley continues to hold sizable advantage as the choice of 57% registered voters, compared to 41% who chose Biden. Among likely voters, Haley receives 57% and Biden 42%. In November, 53% of registered voters favored Haley compared to 44% who chose Biden.