Sign up now! Sign up now! Sign up now? Sign up now! In the four matches they’ve sat through since their unconvincing Geopolitics World Cup win over Haiti, it must rankle among diehard conscripts of the Tartan Army that the only sporting moment they’ve been able to celebrate with genuine wild abandon remains a Wyatt Langford home run biffed out of the stadium for the Texas Rangers at Fenway Park. Away from the diamond, fairly meek surrenders by Scotland to Morocco and Brazil led to Steve Clarke’…