I respectfully disagree with cell phone restrictions ... though your point about MADD is well taken.
We use cell phones a great deal to keep in contact with 19 stores, the corporate office, vendors / bankers, etc. More restrictions will damage our business, and I don't agree with the cited great difference between passenger conversation and cell phone conversations. This doesn't begin to take into account our ability to keep in touch with our kids, spouse, etc. [And "scientific studies" these days always need to be scrutinized to see who funded them, and what ax they had to grind ...]
I know this is politically incorrect, but please ... don't we have enough laws regulating our behavior? I'm sick of it. If I'm driving recklessly, passing inappropriately, speeding, running a light, etc. ... ticket me, as I'll deserve it. But if I'm having a peaceful conversation on the freeway, leave me alone. Hold me responsible if I commit a transgression against a fellow citizen.
For every additional law we pass to restrict behavior, we should recognize we're saying that we're comfortable empowering armed citizens (the police / LEO's) to forcibly interfere with our neighbors' lives.
Tell me I can't use my cell phone in the car, and I'll use the speaker phone ... and give me another law to break. We're all criminals these days ... it dilutes true crime.
Anyone remember tht comic strip "There Oughta be a Law"? Doesn't exist anymore. My theory is that it disappeared because the premise became obsolete ... many of those formerly humerous law ideas became reality