http://www.youtube.com/watch?v=yLA-cm-VzLA
In previous years, when bargaining got down to the wire and wouldn't be finished by the deadline, both sides agreed to what's known as a "rolling 24," that extended the existing contract a day at a time until negotiators reached an agreement or one side called off the extension.
http://www.chron.com/business/energy/article/Union-dubs-Saturday-s-contract-proposal-from-6054362.php
