Leaders of a teachers' union in Louisiana are voicing concerns about a package of bills they say would have the effect of dissolving labor unions in the state. The list includes House Bill 571, which would prohibit public agencies from paying union workers for the time they do anything union-related, even if it's on paid leave. If passed, said Roberto Furtado, a special-education teacher in the Jefferson Parish Public School System, the bills would end collective bargaining and prohibit payroll deductions for union dues. ...