By Matthew Cooper England are keen to ensure their emotions do not get the better of them when they face Wales in the Six Nations on Saturday. There are a number of young and inexperienced players in Steve Borthwick’s squad and captain Jamie George has been keen to ensure they are well-prepared for what will be a high-stakes clash at Twickenham, with the squad’s senior players offering words of advice. “I think it’s special it’s against Wales. The first thing you think of is the history of the fixture,” George told BBC Radio 5 Live. “Our recent record at Twickenham has been poor and we have be…