A Georgia man called 911 to report a vehicle break-in Friday morning, then opened fire on the responding officer, in what is the latest in a series of violent encounters between citizens and police officers this week. Authorities say that Stephen Paul Beck, 22, called 911 and said that his car had been broken into and he needed police assistance. When Officer Randall Hancock responded to the call, Beck shot at him several times, striking him twice in his protective vest and once in his abdomen,