Peaceful protests, new questions arise after additional Chicago shooting videos

Following the release of a video showing the fatal officer-involved shooting of a black teenager, hundreds of protesters took to the streets of Chicago on Tuesday night. Some shouted "16 shots," referring to the number of bullets allegedly fired during the Oct. 20, 2014, shooting of 17-year-old Laquan McDonald by white Chicago police officer Jason Van Dyke. The protests continued Wednesday in Chicago's business district, The Loop, as demonstrators peacefully chanted and marched through the area....