The Democratic Party's ideological divide remained unresolved even as the establishment candidate eked out a narrow win in the Wisconsin governor's primary over a democratic socialist.

Moderate Democrat David Crowley has won the Wisconsin primary for governor.

Fresh on the heels of Abdul El-Sayed’s Democratic U.S. Senate primary win in Michigan, Wisconsin voters will decide another high-profile clash between the party’s establishment and progressive wings in a gubernatorial primary on Tuesday.