CHICAGO — One day, Arlieta Hall’s father forgot that you don’t go to Best Buy to get chairs. On another day, he thought her brother was his younger self. That was when Arlieta realized that Alzheimer’s had hit the smartest man she knew. When Milton Hall Sr. was diagnosed with Alzheimer’s disease and progressive dementia, he was 67. A curveball was thrown at the Hall family to see this proud South Side resident who was once a police officer, a public school principal, a gospel DJ, and a radio and TV host, tackled by this disease. To cope, Arlieta fell back on a newfound passion — improv. “I thi…
