When it comes to taking on voter-ID laws, voting-rights advocates are on a winning streak.

A state judge ruled last week against Arkansas’ voter-ID law, which followed related victories in Pennsylvania, Missouri, and Texas. Today, proponents of voting rights scored an even bigger victory with success in a Wisconsin federal court.

A federal judge on Tuesday struck down Wisconsin’s voter ID law Tuesday, saying it violated the Voting Rights Act and the U.S. Constitution.

The law had already been blocked by a state judge. To be put back in place, supporters of the voter ID law would have to overturn both the state and federal decisions – a possibility that appears unlikely between now and the Nov. 4 election for governor.