The other day I saw a father and his kid stand at the corner, waiting to cross the street. They had just bought a doughnut at A Baker’s Wife (the best bakery in the city), located at 42nd Street and 28th Avenue in south Minneapolis. Whether they were heading to their car or walking home, crossing the street was required of them, and the light was red so they had to wait. The kid was perhaps three years old, wise enough to know the basics about crossing the street.   What happened next was profoundly sad. Remember how Ralphie feels…