OTTAWA (CP) - The Supreme Court of Canada is set to decide whether a parental smack on a childish bottom - a disciplinary measure specifically permitted by federal law for more than a century - is a violation of the Charter of Rights. The high court has scheduled this Friday as judgment day in a constitutional challenge mounted by children's rights advocates who want the so-called spanking law struck down. "We're looking forward to the decision," says lawyer Paul Schabas. "It's been a long battle." Schabas and co-counsel Cheryl Milne represent the Canadian Foundation for Children, Youth and the Law,...