09/05/2011 02:57 pm ET Updated Nov 05, 2011

Labor Unions To Rally At Grant Park

Hundreds- possibly thousands- of labor union members are expected to gather in Grant Park for a rally and march Monday morning. Organizers say they want to ''prevent a new NAFTA.''

Chicago labor unions say a looming free trade agreement, the "Trans Pacific Partnership," will lead to the loss of good paying U.S. jobs. They compare it to "NAFTA."

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