Mayor Lori Lightfoot’s choice to be the city’s deputy mayor of public safety is Susan Lee, a senior director at an anti-violence nonprofit who says reducing violence is her mission. Lee, 51, is the senior director of Safe Chicago Network at Chicago CRED (Creating Real Economic Destiny), a nonprofit where former Obama administration education secretary and Chicago Public Schools chief Arne Duncan is managing partner. Lee has worked on anti-violence issues across the country, including in Los Angeles, and said her first priority in the new role “is to establish a basic level of safety in all communities in...