It really depends. If it was an accident, which Broderick's appears to have been
- then usually there is no jail time and IMO there should not be as people have accidents in cars. I mean if you hit someone at an interesection and they sustain an injury like a broken arm, should you go to jail for battery? I do not think so and if you did have to go to jail, there would need to be many many more jails
If you are drunk then it becomes a different story because intent to harm comes in the picture as opposed to a legitimate accident
Then there is the question of what is drunk. I think people can have one glass of wine or beer or cocktail and drive relatively unimpaired or not impaired at all, esp. if they eat something, etc. - the law pretty much supports me on this. I think the problem comes when people have more and choose to drive instead of taking a cab (which they should always take). I think then they have purposefully put themselves at risk of injuring another and should be punished accordingly. They made the choice