One of every four retired workers from the state of Illinois, the city of Chicago and the Chicago Public Schools is getting a pension of more than $60,000 a year. That’s 80,365 people in all. For 13,240 of them, those checks provide a yearly income of $100,000 or more, a Chicago Sun-Times/Better Government Association analysis of pension records has found. An additional 20,004 have pension incomes totaling between $80,000 and $100,000 a year. ... the root of the problem is that government officials kept promising lifetime benefits to workers — and, in many cases, to their surviving spouses should they...