Randi Weingarten, who has led the United Federation of Teachers, the union that representing over 200,000 people who work in the schools (from teachers to nurses), was elected to lead the national teacher's union, the American Federation of Teachers, yesterday. Weingarten ran unopposed and has made it clear she wants to revoke the No Child Left Behind law, suggesting instead that schools should help the entire family, through a range of social services, to improve......