Historian John Thompson reminds us of why unions are necessary to protect workers against predatory, greedy, heedless bosses.'Virtually every remnant of the social safety net is now at risk. Middle and working class families are just one medical crisis away from poverty." He tells about the jobs where workers risk their lives and where more would die without the protections that unions insist upon. He reminds us that neither Arne Duncan nor Barack Obama lifted a finger to help the unions in Wisconsin when Scott Walker began attacking them. Read this Ravitch post and see the war on truth as the union-bashers spin reality...