Most parents choose to leave their estates equally to their children. But sometimes, parents intentionally choose to not leave anything to a child. There may be what the parents consider to be a legitimate reason: one child has been more financially successful than the others; not wanting a special needs child to lose government benefits; or not wanting to leave an inheritance to an irresponsible or drug-dependent child. Sometimes a parent wants to disinherit a child who is estranged from the family, or to use disinheritance as a way to get even and have the last word....