With 75% of votes in, Crowley and Hong were separated by a less than 1-point margin. The winner will advance to face GOP Rep. Tom Tiffany.

David Crowley was supposed to be on a vacation in Jamaica. Instead, he's back in the governors' race, and moderate Democrats' best hope.

The Wisconsin primary for governor is a race between progressive and establishment Democrats, as democratic socialist Francesca Hong tries to upset David Crowley. Polls open at 7…