Parenting might be second only to politics in the ugliness that can animate very minor disagreements about pretty unimportant things. From car seats to daycare to formula vs. breastmilk, the ways you can screw up your children forever seem endless and the stakes seem astronomically high. Leave your kid in a car while you run into a store for milk and you risk kidnapping (not really) or someone calling the police (much more likely). Turn your carseat front facing and you risk a devastating spinal cord injury. Don't teach your kid to read by age four and