"If children aren't disciplined, they will never learn," - Mireille Is smacking children ever ok? This week we revisit that question as part of Insight’s 10th anniversary replay of favourite episodes from our archives. Corporal punishment is legal in Australia. But it seems every parent has different boundaries. We’re joined by parents who believe in a firm hand and hear from parents who use other methods of keeping kids in line – everything from 'time out’, removal of privileges, withholding food, or, as one of our guests puts it simply, "The Look".