The economic and cultural hub has seen the most shootings in years in 2021. The rise mirrors a citywide violent crime wave and threatens downtown’s recovery. Deserted during the pandemic and battered by looting, downtown Chicago is grappling with a rise in violent crime that threatens the reputation of the city and its economic viability. Murders, shootings, rapes and car thefts are all up sharply in the downtown area, prompting fears among residents and business owners similar to those that have long been a reality in struggling neighborhoods beyond the skyscrapers. And some of the same frustrations. “How do you...