this is "cnn newsroom." protesters confront of police in ferguson, missouri for a second night. police say demonstrators threw frozen water bottles and rocks at them. it's one year after the death of michael brown. >> the mood there is still very tense. about 200 people marched from a church to the federal courthouse in st. louis. police arrested 56 protesters there, a demonstration began peacefully sunday, but then turned chaotic when shots were fired. listen to this. [ gunshots ] >> our jason carroll is in ferguson, missouri right now. last hour, he described the