Members of the Latino Caucus and other aldermen in December submitted paperwork for their map to be placed on the June 28 ballot. [Justin Laurence / Block Club Chicago] 

A group of aldermen who already submitted their proposal for a new ward map to be placed on the June 28 primary election ballot want to make tweaks to their proposal to accommodate a potentially powerful new ally as the campaign ramps up. But amending the map, which has already been approved for the ballot by the City Clerk’s office, will be virtually impossible without a complex web of legislative maneuvering.