He's inciting them:
However, he says making it harder for public employees to collectively bargain "seems like more of an assault on unions."
>>>”seems like more of an assault on unions.”<<<
When a gang of thugs has been beating, robbing and raping you for years, and you finally decide to defend yourself, it is called “self-defense”, not assault. That is exactly what is going on in Wisconsin. The good people are finally standing up to the bullies (and winning) and the bullies, their friends in the media and in the White House don’t seem to like it.