Scotland must keep cool heads against England, says Gordon Reid

• Loosehead prop feels Scotland must learn from last year’s defeat• ‘Last year we let our emotions get to us a little bit too much’The precarious balance in Test rugby between keeping a cool head and being up for the fight is one which Scotland have not always been able to find come Calcutta Cup time, according to Gordon Reid.The London Irish loosehead prop believes that being emotionally overwrought was one reason his team lost so heavily at Twickenham last year, and that, when they welcome England to Murrayfield on Saturday, they will need to find a better equilibrium between passion and rat…