MADISON, I'M ZAC SCHULTZ FOR "HERE AND NOW."

>> NEXT UP, THE STATE SUPREME COURT CONSIDERATION OF A LAWSUIT OVER CONGRESSIONAL MAPS.

MEANWHILE, IN THE STATEWIDE ELECTION FOR U.S. SENATE, REPUBLICAN CANDIDATE ERIC HOVDE ANNOUNCED HIS RUN THIS WEEK.

STEVEN POTTER HAS MORE ON THAT RACE.

>> Reporter: REPUBLICAN AND MILLIONAIRE REAL ESTATE DEVELOPER, ERIC HOVDE, SAYS THERE ARE A NUMBER OF REASONS HE'S RUNNING FOR THE U.S. SENATE.

>> I PROMISE YOU I'M GOING TO GO AFTER IN FIXING OUR ECONOMIC ISSUES.

BORDER, AND IMMEDIATELY, AND END THE HUMANITARIAN CRISIS THAT IS GOING ON RIGHT NOW TODAY.

>> Reporter: 59-YEAR OLD MADISON NATIVE, HOVDE IS LOOKING TO UNSEAT DEMOCRATIC TAMMY BALDWIN WHO IS SEEKING HER THIRD TERM IN OFFICE.

THIS ISN'T THE FIRST TIME HOVDE HAS CHALLENGED BALDWIN.

HE LOST IN THE PRIMARY ELECTION IN 2012.

BALD REIN CALLS HIM AN OUTSIDER.

>> CALIFORNIA BANK MULTIMILLIONAIRE IS GOING TO IT SEEMS TO BE THE PLAYBOOK THESE DAYS.

SO, YOU KNOW, YOU HEAR A LOT OF TALK ABOUT HIM IN WASHINGTON, D.C.. NOT AS MUCH HERE IN WISCONSIN.

>> Reporter: NATIONALLY, THIS RACE IS ONE TO WATCH AS DEMOCRATS TRY TO HOLD ONTO A VERY THIN MAJORITY IN THE VERY THIN MAJORITY IN THE