text:  Police say the boy pointed a replica gun as officers chased him last night. New research shows more benefits of meatless food. Here's CBS's Michael George. Canadian researchers say plant-based meat alternatives are healthier for your heart. Looking back at more than 50 years of research, they say the meatless products can improve some risk factors for cardiovascular disease, like cholesterol and blood pressure. People who survive slavery are being honored in Montgomery, Alabama. Correspondent Allison Keys has more.