A 4-year-old boy and an 89-year-old man were among 35 people shot across the city from Friday evening to Monday morning, a period that also saw four homicides. The most recent deaths were the latest of 377 people fatally shot in the city this year, according to data maintained by the Chicago Sun-Times. In all, more than 2,150 people have been shot since the start of the year. About 5:15 p.m. Friday, the 4-year-old was in the Austin neighborhood’s 5200 block of West Kamerling with 28-year-old Nikia Betts and a 19-year-old man when gunfire erupted,(snip) Betts, who lived in the...