Striking workers wave to passing motorists that honked their horns outside the Caterpillar plant Wednesday, Aug. 15, 2012, in Joliet. | Matthew Grotto~Sun-Times Media

Vickey Pogliano cries as she is comforted by Tom Vincent outside of the IBEW hall after members of the International Association of Machinists and Aerospace Local Lodge 851 voted to approve a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Tom Vincent and Jim Brown greet each other outside of the IBEW hall after members of the International Association of Machinists and Aerospace Local Lodge 851 voted to approve a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Dan Gallagher reads over items outside of the IBEW hall before he and other members of the International Association of Machinists and Aerospace Local Lodge 851 voted on a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Irene Stiller talks about how she and other members of the International Association of Machinists and Aerospace Local Lodge 851 voted outside the IBEW hall as they voted on a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Members of the International Association of Machinists and Aerospace Local Lodge 851 line up in the IBEW hall before they voted to approve a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Vickey Pogliano cries as she is comforted by Tom Vincent outside of the IBEW hall after members of the International Association of Machinists and Aerospace Local Lodge 851 voted to approve a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Vickey Pogliano cries as she is comforted by Tom Vincent outside of the IBEW hall after members of the International Association of Machinists and Aerospace Local Lodge 851 voted to approve a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Vickey Pogliano holds her head outside of the IBEW hall after members of the International Association of Machinists and Aerospace Local Lodge 851 voted to approve a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

John Potecki throws a protest sign away outside of the IBEW hall after members of the International Association of Machinists and Aerospace Local Lodge 851 voted to approve a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Mike Pesek shows his phone's photo of his no vote outside of the IBEW hall before members of the International Association of Machinists and Aerospace Local Lodge 851 voted to approve a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Jamie Dillon says, "...the dream is gone..." while talking about his job outside of the IBEW hall after members of the International Association of Machinists and Aerospace Local Lodge 851 voted to approve a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Alan Brown reads over items outside of the IBEW hall before he and other members of the International Association of Machinists and Aerospace Local Lodge 851 voted on a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media

Members of the International Association of Machinists and Aerospace Local Lodge 851 leave the IBEW hall after they voted to approve a tentative six-year agreement with Caterpillar in Joliet, IL on Friday August 17, 2012. | Matt Marton~Sun-Times Media