If you wonder why you are suddenly seeing window or lawn signs saying "Proud Union Home," particularly on the Northwest and Southwest sides, here's the answer:
The signs came from the Chicago Federation of Labor, which mailed out 170,000 self-adhesive window signs to union members in Cook County. The federation is distributing 15,000 lawn signs as well.
The federation always does something around Labor Day to promote labor issues and awareness, said spokesman Nick Kaleba, and this year union officials thought they'd try the signs as part of a "labor solidarity campaign."
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