strike
Illinois Labor Board Backs CPS Over Chicago Teachers' One-Day Walkout, To Ask Court To Prevent Future Strikes
Apr 22, 2016 02:41 AM EDT
Chicago Teachers Union Warns Possible Strike After Rejecting Contract with CPS
Apr 20, 2016 12:04 AM EDT
Lufthansa pilots start third straight day of walkouts
Mar 20, 2015 10:29 AM EDT
Unions turn lights off on French prime minister
Jan 28, 2015 06:43 PM EST