Dear editor,   You never know how you would act in an emergency, yet our actions could save a life.   This is why I think it’s fantastic that, after 10 years of campaigning by the British Red Cross, it will be compulsory for first aid skills to be taught in all state schools in England from 2020. It’s an  impactful way to give young people the confidence they need to help someone.   As parents, Ben and I…