CHICAGO (CBS) — Chicago Public Schools is apologizing to a Chicago mother and her two young sons, ages 5 and 6, after they were denied breakfast because they came to schools wearing the wrong kind of shoes. The Nicholson brothers only grab a quick snack before heading to class because they qualify for a full free breakfast at Adam Powell Grade School. It’s something they look forward to every day, and it hurt when they were recently turned away. They were wearing black athletic shoes. The boys told their mom that the assistant principal, Angela Peagler wouldn’t let them eat...