A California girl is recovering after a simple trip and fall left her a kidney so badly injured that one-third of the organ might be irreparably damaged, according to her father, Dominic Angelini.Sophia Angelini, 7, was simply trying to go inside her school during lunch to get a jacket, when she tripped and fell.I tripped on my shoelace and fell on the curb and I hit my side on it, Sophia told ABC station KGO-TV in San...