
Trade union leaders squared off in a verbal slugfest on Friday over a stalled proposal to require a Chicago crane operators license for any equipment able to lift over 1,000 pounds, half the current limit.
In one corner was Local 150 of the International Union of Operating Engineers, the powerhouse union that has made a $1 million commitment to mayoral challenger Jesus “Chuy” Garcia after bankrolling a poll that declared Garcia the frontrunner.