CHICAGO (AP) — Former President Bill Clinton will stop at a Chicago manufacturing plant to campaign for Democratic Governor Pat Quinn.

Quinn’s campaign says Clinton will discuss Illinois’ economic “comeback” when he addresses workers and business and labor leaders Tuesday.

The economy has been a major issue in the race between Quinn and Republican businessman Bruce Rauner.

Quinn notes Illinois’ unemployment rate is at its lowest point in six years. Rauner says the rate is still among the highest in the nation and Illinois’ economic recovery has been slower than other states.

Clinton is the latest Democratic heavy-hitter to stump for Quinn. President Barack Obama will hold a pro-Quinn rally Sunday. First lady Michelle Obama also has campaigned for him.

Rauner’s campaign says it’s a sign Democrats are in “full rescue mode.”

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