My wife called to tell me she was stuck in traffic not far from our home. When she eventually discovered the cause of the highly unusual Saturday midafternoon backup, her heart was filled with sadness. For it was a fatal accident involving a motorcycle and an SUV. The biker was traveling west at “a high rate of speed.,” according to a police report. The Nissan SUV was traveling east. When the SUV turned left, the bike collided with the larger vehicle sending its rider flying through the SUV’s windshield like a projectile. The 28-year-old biker was killed. The 51-year-old husband...