By: Mark Glennon* Each month, the Commission on Government Forecasting and Accountability issues an update on how much revenue the State of Illinois is taking in. The August report, including fiscal year-to-date numbers, came out last week. (The state’s 2015 fiscal year started July 1). Unfortunately, year-to-date total revenue numbers are actually down by 6% compared to the same period last year. (See page 7 of the full report, linked here.) Much of the decline is attributable to a decline in certain refunds to the state, according to the report, but it still remains troubling. Personal income tax