at xfinity.com/moving. ever wonder how san francisco became the greenest big city in america? just ask the employee owners of recology. we built the recycling system from the ground up, helping san francisco become the first city in the country to have a universal recycling and composting program for residents and businesses. but it all starts with you. let's keep making a differene together. >> john: we are learning more about the moments leading up to a deadly prop gun shooting. officials say alec baldwin was rehearsing his seat and pointing the gun at the camera when it went off. chief correspondent jonathan hunt lives in los angeles with the latest details of this tragedy. >> there were still huge