Roberts and North step up as Wales sink Scots

By Justin Palmer CARDIFF (Reuters) - British and Irish Lions Jamie Roberts and George North, two world class backs who have been under the microscope in recent times, made big impacts to carry Wales to a 27-23 Six Nations win over Scotland on Saturday. Second-half tries from centre Roberts and winger North helped Wales take the game by the scruff of the neck after the Scots had threatened to end their eight-match championship losing streak. Six minutes later North, who has struggled for form and