(Keep in mind a divided roll call vote means at least one alderman voted against the mayor's wishes.) Clearly Emanuel isn't worried about swaying aldermen who oppose his policies over to his side since he still maintains overwhelming support in City Council.
It works 80% of the time. Screen locking/managing applications often make touchscreen unresponsive. In that case you need to restart your Android device. How can I reboot my tablet, the touchscreen is not working..
Solution: When the phone is unresponsive, it's usually a good idea to restart it. You can do that by holding the power button for a few seconds and then tapping Restart phone. This solves the problem in most cases. You can also remove the battery (if you have one), which always helps.