The hunting of stray (feral) cats may be legalized in Wisconsin to anyone with a small game license. (Minnesota and S. Dakota are the only two states in which cats are not currently 'protected species').
1.4 million feral cats in Wisconsin have killed more than 219 million (and as high as 7.8 million) birds. Proponents of this law are saying that the high volume of feral cats is not only a threat to wildlife, but a health issue. If this law passes any cat without a collar would be fair game. (source)
In the interest of full disclosure, I must admit that I am a 'dog person'. That being said, I love animals and am very against pet cats being allowed to roam outside. As a former veterinary technician we counseled owners daily of all the various health risks associated with allowing housecats to be indoor/outdoor cats (rabies, feline leukemia/AIDS, worms, cars, etc.) If this law is passed, perhaps it will finally force responsible pet ownership.