A lot of people in Wisconsin predict bloodshed because Wisconsin's concealed carry law allows people to bring their handguns into places that serve alcohol (ignoring the fact that the law also prohibits licensed concealed carriers from drinking and alcohol while in bars and restaurants.
A year ago Virginia changed from not allowing concealed carry in establishments that serve alcohol (it required "open carry" if one was bringing a gun) to allowing it. Looks like the doom and gloom crowd was wrong there as well. Crime didn't increase in Virginia bars, it decreased:
Read the article here