Gallup is not infrequently accused of conservative bias in survey methods,(Gallup may be accused of conservative bias, but it doesn't make it true) which makes this lede from Dennis Cauchon's USA Today article, "Poll: Americans favor union bargaining rights" all the more interesting:
MADISON, Wis. -- Americans strongly oppose laws taking away the collective bargaining power of public employee unions, according to a new USA TODAY/Gallup Poll. The poll found 61% would oppose a law in their state similar to such a proposal in Wisconsin, compared with 33% who would favor such a law.
The 28 point advantage favoring public employee unions in this controversy is impressive, but Independents were even more opposed to limiting public employee bargaining rights, with 62 percent opposed vs. 31 percent favoring limits. Wisconsin voters can't be all that different from this nationwide survey sample in their views on the topic.
Gallup: Strong Support for Collective Bargaining for Public Employees--Democratic Strategist