Sam Burgess baptism for Bath has ripple effect for England’s World Cup

• Stuart Lancaster doubts Burgess will feature in Six Nations• ‘Sam is very realistic and knows he has to learn the game’• Billy Twelvetrees to start against AustraliaHow fascinating it will be to watch the respective careers of Billy Twelvetrees and Sam Burgess play out over the next 10 months. The former is about to take centre stage against Australia at Twickenham this weekend, with the promise of a regular place at 12 if he goes well, but Burgess’s impending union debut for Bath on Friday night also has potential repercussions for England’s 2015 World Cup campaign.As Stuart Lancaster was q…