SPRINGFIELD — Legislation aimed at changing the minimum age to purchase tobacco products in Illinois has been percolating for about four years.Its most recent iteration, the third attempt in as many years, has been submitted by a Chicago Democrat who said she and its 22 co-sponsors, all from the same party, are fighting for a “better society.”House Bill 4297, and its equivalent Senate Bill 2332, raise the age to purchase cigarettes, e-cigarettes, vapes, chewing tobacco and other tobacco products in an …