A video has surfaced showing two witnesses' incredulous reactions to the shooting of unarmed teenager Michael Brown by a Ferguson, Missouri police officer. In the video, one of the contractors standing near the scene throws his own hands up in the air and shouts 'he had his f****** hands in the air' minutes after Brown was gunned down. Officer Darren Wilson shot dead unarmed 18-year-old Brown on August 9, in an incident that triggered a national debate on race relations and two weeks of widespread protests. The men's reactions were captured on a cellphone-recorded video obtained by CNN. One of...