Are children hardwired to stay up late, scarfing down cookies and soda and surfing the Internet? No, says Inda Schaenen, who advocates a no-nonsense, nurturing approach that will help you get your kids into bed by 7 o'clock -- and help you make a saner life for yourself. Most kids today are overscheduled, and consequently they're often wound up and active until late in the evening. But when kids are exhausted, bedtime becomes a struggle and everyone...