Revenue from Illinois' 10 existing casinos dropped more than 3% last year, continuing a decadelong slide and raising concerns about whether new casinos in Chicago and other areas will draw revenue away from the existing ones.

Revenue from Illinois' 10 existing casinos dropped more than 3% last year, continuing a decadelong slide and raising concerns about whether new casinos in Chicago and other areas will draw revenue away from the existing ones. https://t.co/MuEnZGLcWe

— Chicago Tribune (@chicagotribune) September 12, 2019