An Atlanta attorney accused of murder says it was a tragic accident. The prosecutor says Tex McIver knew what he was doing when he shot his wife, Diane McIver. The case is explored in this season’s “Breakdown” podcast, produced by the Atlanta Journal-Constitution. It premiered earlier this month. AJC reporter Bill Rankin joins us in the studio. The On Second Thought team loves Halloween. Producer Sean Powers grew out his facial hair for two weeks for HIS costume. Since he’s in the spooky spirit,