Besieged by state proposals to eviscerate collective bargaining, eliminate teacher tenure, and make it harder to collect dues, teachers' unions are fighting back. Lawsuits supported by local union affiliates have for now blocked anti-union legislation in Alabama and Wisconsin. E-mail "blasts," phone banks, and rallies are also among the…

Gov. Scott Walker's sweeping proposal to scale back collective bargaining rights for most public employees in Wisconsin has sparked a rancorous standoff with teachers across the state--and fueled speculation about whether similar plans will gain traction in other parts of the country. But as massive demonstrations played out in Madison--an…