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The constitutional requirement for a balanced budget is not as strict as you might think.

Amanda Vinicky

  Illinois legislators may have passed a pension overhaul, but unions representing teachers and public employees have vowed to sue to stop it from taking effect. If they're successful, that could force lawmakers to go back to the drawing board.

Lawmakers made preemptive efforts to fend off a legal challenge. The measure contains a statement that details the terrible condition of Illinois' finances and what lawmakers have tried to do about it -- a clear attempt to justify cutting pension benefits.