Long criticized as the party of old white men, Republicans are seeing a diverse group of people step up for possible contention in the 2016 presidential race.

The favorable Wisconsin Supreme Court rulings come as Scott Walker, sometimes mentioned as a possible 2016 U.S. presidential candidate, finds himself in a tight race with Democratic challenger Mary Burke to retain his current post.

Republicans argue the measure will help fight voter fraud; Democrats counter widespread fraud doesn’t exist in Wisconsin and the requirement will keep poor people, immigrants and senior citizens from voting.

A half dozen local civil rights groups are calling for a grand jury investigation of the disbanded Metro Gang Strike Force. Hennepin County Attorney Mike Freeman announced last week that no criminal charges would be filed against officers assigned to the disgraced law enforcement agency.