SPRINGFIELD — As the General Assembly’s lame duck session moved into its third day, lawmakers in both chambers turned their attention to a sweeping bill aimed at narrowing economic disparities faced by Black and brown communities in Illinois.That is one of the four pillars that make up the Illinois Legislative Black Caucus’ agenda, which has been the focus of the lame duck session thus far.The proposed Economic Equity Act, House Bill 5871, was introduced Thursday by Rep. Sonya Harper, D-Chicago, and like many of the other …