"She just gets something into her mind and won't give it up." "He always has to have the last word." "She charms me right out of disciplining her." "He just won't take no for an answer." Do you find yourself saying these things about your child? If so, you may have a bright kid challenge. Bright kids aren't bad kids - they're incredibly smart, irresistibly adorable, and ultimately admirable. But they've found a way to...