A middle-aged Nebraska surgeon ruined his enviable life after deciding to take part in a street-racing contest that left a 22 year-old woman dead. Mark Carlson, 63, was sentenced to 10-14 years in prison after he was convicted of the manslaughter killing of Anna Bosma in September, 2023. The thrillseeking medic was racing another driver when he lost control of his Mercedes and slammed head-on into Bosma's car at over 100mph, killing her on impact. Bosma's boyfriend was in the passenger seat and survived the deadly collision. The couple, who lived in South Dakota, was in Omaha for a Labor...