Why civil war in Welsh rugby threatens Grand Slam dream but need not prove fatal

England brawl with Georgia in training while Wales fight amongst themselves over the future of their domestic game. Mirror rugby correspondent Alex Spink and World Cup winner Paul Grayson debate which will have greater impact on the outcome of the Six Nations. Also, Mirror columnist Grayson lifts the lid on the real Gregor Townsend as he prepares Scotland to try to spoil the Welsh Grand Slam party. For information re